![General Radio Company Cambridge / Since 1915 / Manufacturers of Electronic Apparatus for Science and Industry / Catalog 0 de General, Radio Company:: Softcover/Paperback (1956) | Antiquarische Fundgrube e.U. General Radio Company Cambridge / Since 1915 / Manufacturers of Electronic Apparatus for Science and Industry / Catalog 0 de General, Radio Company:: Softcover/Paperback (1956) | Antiquarische Fundgrube e.U.](https://pictures.abebooks.com/inventory/30403484125.jpg)
General Radio Company Cambridge / Since 1915 / Manufacturers of Electronic Apparatus for Science and Industry / Catalog 0 de General, Radio Company:: Softcover/Paperback (1956) | Antiquarische Fundgrube e.U.
![Lot - TWO GALVANOMETER, one by Elliott Brothers, London, No: 63; General Radio Company; together with AN OUTPUT MILLEWATTS POWER METER Lot - TWO GALVANOMETER, one by Elliott Brothers, London, No: 63; General Radio Company; together with AN OUTPUT MILLEWATTS POWER METER](https://image.invaluable.com/housePhotos/groganco/64/420564/H0030-L42807283.jpg)
Lot - TWO GALVANOMETER, one by Elliott Brothers, London, No: 63; General Radio Company; together with AN OUTPUT MILLEWATTS POWER METER
![Variac. The Original Continuously-Adjustable Autotransformer. by General Radio Company - 1955 - from Monkey House Books (SKU: 5213) Variac. The Original Continuously-Adjustable Autotransformer. by General Radio Company - 1955 - from Monkey House Books (SKU: 5213)](https://d3525k1ryd2155.cloudfront.net/h/247/878/523878247.0.x.jpg)
Variac. The Original Continuously-Adjustable Autotransformer. by General Radio Company - 1955 - from Monkey House Books (SKU: 5213)
![File:Vintage Audio-Frequency Microvolter, General Radio Co., Cambridge Massachusetts (10071452945).jpg - Wikimedia Commons File:Vintage Audio-Frequency Microvolter, General Radio Co., Cambridge Massachusetts (10071452945).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/f/f1/Vintage_Audio-Frequency_Microvolter%2C_General_Radio_Co.%2C_Cambridge_Massachusetts_%2810071452945%29.jpg)