Michael Mruzek
@michael_mruzek
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Mechanical Engineer from the University of Michigan. Retired. Vintage computer enthusiast. Collector of unusual scientific items.
Joined November 2022
RT @cqcqcqdx: RCAF Whitehorse, Yukon. Dual Hammarlund SP-600 positions. Atop the SP-600 receivers are slots which were used to hold Frequen….
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RT @michael_mruzek: @Arcfunmi Here is a link to free plans for building one, from MTM Scientific, Inc. https://t.co….
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RT @michael_mruzek: @shiromochiawa Troy-Built Rototiller built in USA about 1980's. Horse Model with Kohler engine.
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Front cover of the Murray McMurray Hatchery poultry catalog from 1955. This company is still in business, and sell chicks for delivery by the USPS. #chickens
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RT @cqcqcqdx: CONELRAD System – Triangles on the Dial.Remember those little triangles on your radio dial? The triangles were the civil defe….
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Germanium Point-Contact Diodes, 1N34A. Classic choice for crystal radio projects.
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Difference between a squirrel and a mouse? Answer: The squirrel has a better publicity agent. Nikon D50 with 300mm telephoto.
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And all I ask is a tall ship and a star to steer her by.
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Photo taken with a Nikon D70 DSLR with modified input optics for 720nm wavelength. (IR)
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Promotional artwork for the Yardney Silvercel battery from 1956.
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RT @PhysInHistory: Werner Von Braun standing next to the five F-1 engines of a Saturn V on display at the U.S. Space & Rocket Center. The S….
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The vintage B2M Sun Battery from International Rectifier, in original retail packaging from about 1957. Assorted plans for building solar radios and other projects abounded in hobbyist publications. #solarenergy
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