![](https://cdn.shopify.com/s/files/1/0672/2283/1394/files/Fisher_500_radio.jpg?v=1707858837)
Fisher made 500 Series receivers, but who knew they made 500 Series tube radios also? This gorgeous specimen is courtesy of Wikimedia Commons/Gregory F. Maxwell.
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What branch of electronics interests you, asks this 1961 ad? I think we know the answer to that one...
![](https://cdn.shopify.com/s/files/1/0672/2283/1394/files/heathkit_amp.jpg?v=1707859724)
This Heathkit Model AA-191 mono tube amplifier makes us long for simpler times. Courtesy of Wikimedia Commons/Joe Haupt.
![](https://cdn.shopify.com/s/files/1/0672/2283/1394/files/Electronics_Illustrated_March_1961_82bef651-81f4-4c89-b5f8-99609f88d597.jpg?v=1707854616)
And we thought wireless mics were a recent invention. Electronics Illustrated, March 1961. Courtesy of Wikimedia Commons/public domain.