Memorial Day 2015

free-vector-poppy-remembrance-day-clip-art_106032_Poppy_Remembrance_Day_clip_art_smallThis Memorial Day marks the 100th Anniversary of the poem In Flanders Fields by John McCrae, a Canadian soldier and physician. He had previously fought in the Second Boer War and enlisted following the outbreak of the First World War. Even though eligible to serve in the medical corps, he considered himself a soldier first and volunteered to join a fighting unit as gunner and medical officer.

His unit was gassed on April 22, 1915. On May 2 when a close friend was killed, he performed the burial service himself and noted how quickly the poppies grew around the graves. The next day, he composed the poem:

In Flanders fields the poppies grow
Between the crosses, row on row,
That mark our place; and in the sky
The larks, still bravely singing, fly
Scarce heard amid the guns below.

We are the Dead. Short days ago
We lived, felt dawn, saw sunset glow,
Loved and were loved, and now we lie
In Flanders fields.

Take up our quarrel with the foe:
To you from failing hands we throw
The torch; be yours to hold it high.
If ye break faith with us who die
We shall not sleep, though poppies grow
In Flanders fields.

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America Needs You, Harry Truman/Mister, We Could Use a Man Like Herbert Hoover Again

Seventy years ago today, President Harry Truman sent this handwritten letter to former president Herbert Hoover, inviting him to come to the White House to discuss the brewing humanitarian crisis in Europe.  With the war in Europe over, the population would need to be fed.

As Hoover would put it the next year, “we do not want the American flag flying over nationwide Buchenwalds,”

In making this invitation, Truman set aside partisan differences to seek out the man with a proven record in fighting wartime hunger.  Both during and after the First World War, he had headed American relief efforts.  They started in 1914 assisting Americans who had found themselves stranded in Europe at the outbreak of war.  From his own resources, he made loans and cashed checks for Americans.  He went on to save millions of lives, first in Belgium, and then elsewhere in Europe at the war’s end.

It was a welcome change.  In the days following Pearl Harbor, President Roosevelt had summoned adviser Bernard Baruch and asked who was best fit to organize the home front.  Baruch quickly replied that Hoover would be best suited, but the suggestion was rebuffed.  Since Hoover was a convenient scapegoat throughout Roosevelt’s presidency, Roosevelt reportedly replied, “I’m not Jesus Christ. I’m not raising him from the dead.”

After Truman’s summons, Hoover approached the problem the same way he had approached it during and after the First World War, as an engineering problem.  He set out on a tour of Europe to determined the needs and resources of each country, and saw to it that resources were directed appropriately.

There was a lifetime friendship between the two presidents.  Truman spoke at the dedication of the Hoover presidential library in 1962 and told the crowd, “I feel sure that I am one of his closest friends and that’s the reason I am here.”  Later that year, Hoover wrote to Truman:

Yours has been a friendship which has reached deeper into my life than you know.  I gave up a successful profession in 1914 to enter public service. I served through the First World War and after for a total of about 18 years. When the attack on Pearl Harbor came, I at once supported the President and offered to serve in any useful capacity. Because of my various experiences . . . I thought my services might again be useful, however there was no response. My activities in the Second World War were limited to frequent requests from Congressional committees. When you came to the White House, within a month you opened a door to me to the only profession I know, public service, and you undid some disgraceful action that had been taken in prior years.

Truman had the letter framed and placed on his desk at the Truman library.

Harry, is there something we can do to save the land we love?

References

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D-Day Army Radio Link

RadioCraftMay1945

In an earlier post, we looked at a 3-element VHF yagi shown in a historical photo of the Siege of Bastogne in December 1944. It was part of a U.S. Army Signal Corps FM relay which linked the isolated forces to the Army landline telephone network.

A similar setup was used a few months earlier on D-Day, as shown from this diagram in the May 1945 issue of Radio Craft magazine.  The link shown here was operational the second day after the initial Normandy landing and carried facsimile and voice traffic from London to the front. Within a few months, additional stations were added to the network, and the magazine notes that the network thus established covered an area equivalent to that from New York to Chicago and Detroit to Atlanta.

The army primarily relied upon wire communications, but even on the continent, radio links such as these provided an important backup function. On one occasion, the main cable across France had been cut, but nearly 2709 messages were handled during a 24 hour period.

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Japanese Fu-Go Fire Balloons of WW2: Part 4

US Army photo, via Wikipedia.

US Army photo, via Wikipedia.

In part 3 of this series, we looked at some of the remarkable distances covered by the Japanese Fu-Go fire balloons of World War II.  Some of these balloons were found far inland in North America, including balloons found in Iowa, South Dakota, Manitoba, and Michigan.  There’s no record of any of these balloons making it to Minnesota (although there’s the possibility that somewhere in Minnesota lies the rusting wreckage of one).  But one of them played an interesting role in Minnesota postwar aviation.

As we covered in part 3, one of the balloons landed near Grand Rapids, Michigan.  It was largely intact, and quickly whisked away by the FBI.  It ultimately found its way to Lakehurst Naval Air Station in New Jersey, where it remained until the end of the war.  In 1946, a young sailor named Don Piccard was stationed there, and was tasked with taking the craft to the dump.  (The balloon was labeled as having come from Flint, Michigan, but it’s believed that it was actually the Grand Rapids balloon.)

Lakehurst is famous for lighter-than-air flying, and Piccard was undoubtedly stationed there for a reason. His family had long been active in ligher-than-air flight.  His father was Swiss-born Jean Felix Piccard, then a professor of aeronautical engineering at the University of Minnesota.  His mother was Jeanette Piccard.  Jean Felix and Jeanette in 1933 had piloted a balloon 57,579 feet into the stratosphere.  This constituted the world record altitude for flight by a woman, a record held for 29 years until Valentina Tereshkova became the first woman in space.    If Wikipedia is to believed, Gene Roddenberry named the character Jean-Luc Picard after Jean Felix Piccard or his brother Auguste, another aviation pioneer.  In fact, Jean-Luc is supposed to be a descendant of one of the men.

(Jeanette also became, in 1974, the first woman ordained as an Episcopal priest.  At the age of 11, in response to the question of what she wanted to be when she grew up, she answered “a priest.”  Her mother reportedly ran out of the room in tears.  But after her long career in aviation, at the age of 79, she was ordained as one of the “Philadelphia Eleven.”)

Rather than taking the balloon to the dump as directed, the younger Piccard obtained a property pass to keep possession of the war trophy.  Upon his discharge, he became a student at the University of Minnesota where his father taught.  And he set out figuring out how to fly the balloon.

The Civil Aviation Agency had, at that time, the category of free balloon pilot, but no such license had been issued.  A license for an airship pilot carried privileges for free balloons, and Piccard had accomplished most of his flight requirements in balloons with airship pilots.  But he had not yet soloed, and he saw the war souvenir as an opportunity to do just that.

While the balloon was apparently in relatively good condition, it did have tears and was in need of repair.  A glue adequate to do the job had to be procured.  In addition, he needed funds to purchase the hydrogen, as well as kiln-dried sand to serve as ballast.  (Sand with moisture would freeze, making for a lethal projectile when dropped.)

Piccard preparing for the 1947 flight.  Image courtesy of Michigan Aviation Archaelogy.

Piccard preparing for the 1947 flight. Image courtesy of Michigan Aviation Archaelogy.

To get the necessary funding, he sought the sponsorship of the Minneapolis Daily Times, which was granted, and the craft bore the paper’s name, above its N number, NX79598.  Piccard was also a member of the Army Air Corps ROTC, which became the U.S. Air Force days before the flight.   It was also sponsored by the ROTC, and Piccard wore a hastily assembled U.S. Air Force uniform during the flight.  He later recounted that not only was his the first U.S. Air Force flight to take place in Minnesota, but also that his was quite possibly the first U.S. Air Force uniform ever worn.

The flight took place on February 16, 1947, from Minneapolis to White Bear Lake.  After launch, apparently from South Minneapolis, Piccard had to maintain his altitude by venting the balloon and dropping ballast.  He had originally intended to climb to the calculated maximum altitude of 12,000 feet and then begin his descent.  But an overcast required him to control the altitude throughout the flight.  The winds carried him to White Bear Lake, during which time Piccard had remained aloft for more than the two hours necessary to qualify for his solo flight, and he the CAA subsequently issued him the first ever free balloon pilot license.  (This was the balloon’s last flight.  Since Piccard didn’t have a bill of sale for the Japanese balloon, he was unable to register the craft.)

The flight received media attention nationwide, and also caused quite a commotion as it landed in White Bear Lake.  Apparently, nobody had told the White Bear Lake Police Department that the flight was headed their way, and they were unprepared for the resulting commotion as hundreds of curiosity seekers flooded the area, trespassing on private property.  At one point, the officers threatened to arrest the army personnel in the chase vehicle, who they determined must be responsible for the breach of the peace.

Scene of the landing in White Bear Lake.  Image courtesy of Michigan Aviation Archaeology.

Scene of the landing in White Bear Lake. Image courtesy of Michigan Aviation Archaeology.

The last flight of a Fu-Go balloon.  Image courtesy of Michigan Aviation Archaeology.

The last flight of a Fu-Go balloon. Image courtesy of Michigan Aviation Archaeology.

Since the Daily Times was actually an afternoon newspaper, the morning papers all managed to scoop the sponsor of the flight, although they didn’t refer to it in print as being the Daily Times Flight.  Piccard later wrote a detailed account of his flight for Air & Space Smithsonian.

Don Piccard. Licensed under Public Domain via Wikimedia Commons - http://commons.wikimedia.org/wiki/File:Don_Piccard-011.jpg#/media/File:Don_Piccard-011.jpg

Don Piccard. Licensed under Public Domain via Wikimedia Commons.

Piccard is regarded as the driving force behind the sport of ballooning, and is still active with his company, Piccard Balloons.  When I looked at Piccard’s personal web page, www.N6US.com, I mistakenly assumed that he was a ham.  While the URL looks like an Amateur Radio call sign, it should be remembered that aircraft tail numbers (or whatever they’re called on balloons) also use the same international prefixes as radio call signs.  In this case, N6US is not a radio call sign issued by the FCC, but an aircraft registered to Mr. Piccard.

In 2008, Piccard was inducted into the Minnesota Aviation Hall of Fame.  (The other member of the Minnesota Aviation Hall of Fame who has been mentioned in this blog was Sherman Booen, about whom we wrote in connection with the 1940 Armistice Day Blizzard.)

The balloon after launch.  Image courtesy of Michigan Aviation Archaeology.

The balloon after launch. Image courtesy of Michigan Aviation Archaeology.

 

Acknowledgement

I would like to thank Jeffrey Benya of Michigan Aviation Archaelogy for giving permission to use the images of the newspaper clippings shown here.

References

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1958 Conelrad Monitor

1958PEconelrad

An article in the February 1958 issue of Popular Electronics admonishes that “all of us should use a receiver that warns when the Conelrad alert begins,” and the magazine offered a simple circuit, shown here. The concept was about as simple as possible: The little self-contained receiver monitored continuously. If the carrier of the local station disappeared, then a buzzer would sound.  Since all stations (other than designated stations on 640 and 1240) were required to leave the air during a CONELRAD alert, this would warn the owner of an impending attack.

It would seem that this particular design would be prone to false alarms. Obviously, it would work only with a 24-hour station. Otherwise, when the station signed off each night, the buzzer would sound until morning. And even most 24-hour stations signed off occasionally for transmitter maintenance. These periods often took place early Monday mornings, so someone relying on this receiver would probably get some rude awakenings if the receiver was left on.

And even though the receiver drew minimal current, it would probably go through the three penlight cells quite quickly.

But since hams were then required to monitor Conelrad, the receiver might have served a useful purpose, even though it probably wouldn’t work too well in continuous service.

1958PEconelradSchematicAs can be seen from the circuit here, the CK722 served as detector, and the 2N170 was hooked up to a relay, which would turn off the buzzer when the station left the air. The author, I.C. Chapel, notes that the relay is set to trip at 6 mA. At the conclusion of the article, there is an editor’s note stating that this figure “amazed” them, and concluded that the author must be very close to the broadcast station to get these results with his 10-foot antenna. One editor constructed the unit and tried it about 25 miles from New York City, and none of the stations there was strong enough to make the circuit work. With a more sensitive relay and a 150 foot antenna, though, they were able to get it to work with a 250-watt station 10 miles away.

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Japanese Fu-Go Fire Balloons of WW2: Part 3

US Army photo, via Wikipedia.

US Army photo, via Wikipedia.

In part 1 of this series, we looked at the ingenious technical details of the Japanese Fu-Go fire balloons of the Second World War.  Part 2 remembered the only victims of these attacks, a pastor’s wife and five children who were killed in Oregon in 1945.    While most of the balloons that made it to North America made it to the Western U.S., some of them made it far inland, although no damage appears to have been caused by the balloons making it further east.  Today, we look at some of those remarkable distance flights.

For example, two of the balloons appear to have made it as far as Nebraska.

The night of April 18, 1945, there was an explosion in the sky over 50th and Underwood, in the Dundee neighborhood of Omaha. It flared brightly, but caused no damage. The spot is commemorated by a plaque inscribed “Dundee Bombed in World War II.”

The other “attack” on Nebraska involved a single piece of paper from one of the balloons that was located near Schuyler, Nebraska, on February 2, 1945. After the news embargo was lifted, the Colfax County Press reported this incident on May 27:

For some time Japan has been sending out balloons with high explosives over the western part of the United States, but all publicity was held down by the government and the FBI. These balloons drifted as far as Nebraska. They are about 32 feet in diameter and usually carry incendiary bombs or even gas bombs. One of these balloons landed on the Ludwig Vrba farm 9 miles southwest of Clarkson. The discovery of the balloon was kept secret while several FBI investigators were here and no publicity could be given at that time. Now the curtains of secrecy on these balloons was raised. The Press had known about the landing of the Jap balloon on the Vrba farm but said nothing about it, while we had been working on the case with the federal war authorities. Remnants of the balloon landed on the Vrba farm yard near the buildings but caused no damage as the greater portion of it as well as the mechanism carrying the high explosives had been destroyed before it had a chance to land. Report of any similar occurrences in this community will be greatly appreciated by us.

The piece of balloon found in Schuyler was very likely part of a balloon which made it as far as Iowa.  According to a Navy report, the fragment found in Schuyler was a charred triangular piece of paper measuring about two yards by one yard. On the same day, more wreckage was found in Laurens, Iowa. No damage was reported, however, in the Hawkeye state.

None of the balloons made it to Minnesota, but according to the Navy report, five balloons made it to the neighboring Canadian province of Manitoba.

The furthest traveled of the balloons could very well have traveled over Minnesota on its way to Michigan, where two were confirmed to have landed.  One started a small fire in Farmington Hills in March 1945, but witnesses did not associate the fire with one of the balloons until the press embargo was lifted in May.  Upon reading of the balloons in the newspaper, one of the witnesses investigated and found the remnants of one the balloon that had started the fire.

The other confirmed Michigan balloon was found on February 23, 1945, near Grand Rapids.  Three young boys. Larry Bailey, and Ken and Robert Fein, were playing on a farm field when they saw something strange floating in the sky.  They started dragging the trophy home after it landed when a neighbor drove by with a truck and offered to help them haul it home.  They were planning what to do with the treasure trove when, unfortunately for the boys, the sheriff was called, and the balloon was confiscated by the FBI and ultimately taken by the Navy.

The Grand Rapids balloon was to make one more flight after the war was over, and we’ll learn about it in part 4 of this series.  Click here to go to part 4.

References

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Another 1950 Boys’ Life One Tube Receiver

1950JanBLreceiver

A few months ago, I posted about a one-tube regenerative receiver from the September 1950 issue of Boys’ Life magazine. I was even sent some photos of a very similar receiver discovered by Jon, WS1K. That receiver covered short wave, I’m guessing about 3-6 MHz.

1950JanBLschematicInterestingly, I overlooked this one-tube receiver appearing in the same magazine a few months earlier. In the January 1950 issue of Boys’ Life appeared this one-tube receiver. The article was written by one of the same authors as the September article, Glenn A. Wagner. The January receiver appears to cover the broadcast band, since it calls for a “standard replacement antenna coil” along with a 365 uF variable capacitor. It uses a single 1N5G tube with a 1.5 volt battery for the filament, along with a 45-90 volt B battery. It’s all mounted on a 5×7 pine board.

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Liberty Bell Sounded, 1915

LibertyBell1915A hundred years ago, the Liberty Bell was sounded for the first time since 1835, and the sound transmitted by telephone to the Panama-Pacific Exposition in San Francisco. The photo here appeared in Popular Mechanics, May 1915.  (More details are available in that month’s issue of Electrical Experimenter.) The article also notes that a phonographic recording was made.  It was apparently recorded again in 1917, but it appears that neither recording has survived.

It was recorded again in 1944 as part of a D-Day broadcast, and there is also a computer-generated recreation of the bell’s original sound.  Both of those recordings are available at the National Park Service.

The same issue of the magazine carries an interesting article summarizing how the warring powers of Europe are using wireless as part of the war.

 

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Japanese Fu-Go Fire Balloons of WW2: Part 2

In part 1 of this series, we looked at the ingenious control mechanism employed by the Japanese Fu-Go fire balloons of World War II. The balloons were launched from Japan and traveled to North America where they dropped incendairies. They were also equipped with a demolition charge set to destroy the weapon after it had served its purpose.

One of these balloons was responsible for the war’s only civilian deaths within the 48 United States caused by enemy action. The last balloon was launched in April 1945, but the deaths occurred seventy years ago this month, on May 5, 1945.

Southern Oregon was seemingly far removed from the war. Victory in Europe was only three days away, and the war raging in the Pacific seemed far away. The papers that Saturday morning were full of war news, but the news was all good, such as this photo of American POW’s being liberated in Germany.

Archie Mitchell was the 27-year-old pastor of the Christian and Missionary Alliance Church in Bly, Oregon. His wife, née Elsie Winters, 26, was five months pregnant.

On May 5, 1945, Rev. and Mrs. Mitchell took a group of five children from the church on a picnic and fishing trip at Gearhart Mountain, on land within the Fremont National Forest owned by the Weyerhaeuser Timber Company. The road near Leonard Creek was under construction. Mrs. Mitchell and the children got out of the car while Rev. Mitchell turned the car around and started getting out the picnic lunch.

While hiking around the area, Mrs. Mitchell and the children spotted one of the Japanese balloons. Due to the news blackout, they were oblivious as to its possible origin. One of the road workers nearby saw the six gathered around in a semicircle, but wasn’t able to see what they were looking at. Mrs. Mitchell called out to her husband to come look at it, and he responded that he would come and look.

But before he could get there, there was a huge explosion, throwing debris over 150 yards. Rev. Mitchell and the worker ran to the scene, only to find four of the children already dead. Mrs. Mitchell and the other child died within a few minutes, never regaining consciousness.

The victims of the attack were:

  • Elsie Mitchell, age 26
  • Jay Gifford, age 13
  • Edward Engen, age 13
  • Dick Patzke, age 14
  • Joan Patzke, age 13
  • Sherman Shoemaker, age 11

These were the only civilians killed by enemy action within the continental United States during the war.

Because of the deaths, the news embargo was lifted a few weeks later. By this time, however, the Japanese had abandoned the program.

One would think that this is the end of the story. But Rev. Mitchell had not seen the end of wartime tragedy. Within two years, he was remarried to Betty (née Patzke) and the couple was called as missionaries to Asia. Eventually, they were stationed in Vietnam and worked at the Ban Me Thuot Leprosarium, located about nine miles from the town of Ban Me Thuot. By 1962, the couple had four children, ages 4-13.

At dusk on May 30, 1962, the staff of the leprosarium were gathering for their weekly prayer meeting when twelve members of the Viet Cong entered the grounds. The missionaries convinced the Viet Cong that if they left Mrs. Mitchell and the children alone, that they would fully cooperate. They left the compound a couple of hours later with Rev. Mitchell and two other captives.

Military intelligence was able to track the hostages’ location for a number of years, but a military rescue mission was not possible. The Christian and Missionary Alliance engaged in negotiations to free the three, but the negotiations collapsed in 1969.

In the next part of this series, we’ll look at some of the extraordinary distances covered by some of the balloons, some of which were recovered in places like Nebraska, Iowa, and Michigan.  Click here to continue to part 3.  In the final installment, we’ll learn how one of these balloons found its way to Minnesota.

References

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1926 Boys’ Life Crystal Set

1926BLxtalset

The January 1926 issue of Boys’ Life magazine contains the plans for this simple crystal set. According to the article, the parts would set the Scout back about 80 cents, not counting the headphones, which would cost about $3.00. The parts could be found at “any well-stocked five and ten cent store,” and the receiver was said to pull in stations up to twenty miles.

For those wishing to duplicate this or similar receivers, if your five and ten cent store isn’t sufficiently well stocked, you can get some ideas on locating the parts on my crystal set parts page.

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