1922 British Frame Antenna & Variable Capacitor

Screenshot 2022-11-18 10.09.13 AMA hundred years ago, this young British woman was pulling in some signals from her garden at 1276 Leeds Road, Bradford.  She is undoubtedly the daughter of one Mr. C.R. Land, who constructed the set and sent the picture to Practical Wireless, where it appeared in the November 1922 issue.

The issue also showed an interesting method of constructing a variable capacitor, as shown below.  The magazine noted that they could be expensive and difficult to make, but this version was relatively easy to construct at home.  It consisted of two sheets of zinc carefully rolled into tubes and soldered together.  The dielectric consisted of waxed paper.

Screenshot 2022-11-18 10.15.57 AM



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