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Quality control testing of high power vacuum tubes at the end of a tube production line at the Radio Valve Company (RVC) in Toronto, Canada 1944...The ones under test are type 813 tubes used in RF amplifiers as well in the AN/ART13 transmitter equipped on some B29 bombers.

The late Brian Wilson at the controls of Western Recorders in L.A., circa 1965.

I love the feed-line on the ceiling, feeding the transmitter rack. Would like to do this at the QTH, I wonder if the XYL would approve!

Vintage photography Hoover Dam Control Room 1948. not where they keep the damn bait😎

BC-654 in operation, The Crosley Corporation of Cincinnati, Ohio manufactured the Signal Corps Set, Complete, Radio, 284 (SCR-284).

Arthur A Collins standing next to a transmitter manufactured by Collins Radio Co.

Bea Malone, computer operations supervisor at Bell Labs Datacenter holding the voltage probe of a Tektronix 545A oscilloscope used by customer engineers to trace potential faults in the wiring of the datacenter's IBM System/360 Model 50 mainframe computer, Oakland, Ca, 1969.

Donner 3500 Portable Analog Computer (1960)

December 1941: Electronics technician, Goodyear Aircraft Corp., Akron, Ohio.

Here is a photo of a young Steve Wozniak and already into electronics building his own ham radio gear, getting his ham radio operators novice license at age 10 as WV6VLY, later upgrading to WA6BND.

Steve Wozniak, a 13 year-old Cupertino Junior High school student was able to build an electronic 10-bit binary adder machine with hundreds of transistors which was so advanced that it won first place at the 1964 Bay Area Science Fair.

Seems a bit extreme however Ben Ragland a disabled radio 'ham' operator here in his bed surrounded by radio transmitters, receivers, etc.1960. The weight of that table, and a soldering gun!?

A Cossor Double Beam Oscillograph Model 1035 to display the signal received from Sputnik. The RCA AR88 was used to receive the Sputnik signal the receiver was set to Band-5 (16.1-22.70 MHz) and tuned to precisely 20.005 MHz.

Howard Vollum, a founding partner of Tektronix, an innovative electronics company in Beaverton, OR, works on a Tektronix oscilloscope, circa 1950. Must have been challenging to design a scope without a scope!

Boeing 314 Flight Deck. Between the Navigator and Radio operator there's a stack of equipment.

October 1942. “Testing wiring harness at Douglas Aircraft Company. Long Beach, California.”

WBCQ is a multi-million dollar shortwave station operating at Monticello, Maine, United States. 🇺🇸 The station transmits talk shows and other programs produced by commercial networks as well as former pirate radio 🏴‍☠️broadcasters. 5130, 6160, 7490, 9330kHz.

Don't mess around with lithium batteries!

capacitor bank discharge ✴️do not try this at home✴️

Battery back-up.