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Dayton Radio Phone Receiving Set
First complete radio manufactured by A-C Electrical Mfg Co. in Dayton Ohio. First advertised in September 1922 QST magazine for $75. See Douglas vol1,p1.
HELP! This needs a small metal tag that says 'TUNER'. Click the photo for more details.
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AC Dayton XL-20
5-tube battery-operated TRF radio manufactured by A-C Electrical Mfg Co. in Dayton Ohio. First advertised in June 1926 Radio Retailing magazine for $56. See Douglas vol1,p5.
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Airway Type F
1924 4-tube battery-operated radio manufactured by Air-Way Electric Appliance Corp. in Toledo Ohio. Ads prior to March 1924 show only 2 front-panel rheostats, later ones have 3 like this one. See Douglas vol1,p17.
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A.R.E.
A three-tube radio made by American Radio and Equipment Company in Minneapolis, Minnesota about 1922.
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Amrad 3500-1 double-decker
4-tube battery-operated radio manufactured by American Radio and Research Corporation in Toledo Ohio. The top unit is marked model 2634 and bottom unit is 3475. The 3475 was a modification of the older model 2596 and has little metal plates pinned over old dial legends. Announced Jan 1923. See Douglas vol1,p45.
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Amrad Neutrodyne Model S522
A five tube radio that looks remarkably similar to the Crosley line of radios sold during the same time period.
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Atwater Kent light-up sign
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Atwater Kent Model 5 Breadboard radio
5-tube battery-operated radio manufactured by Atwater Kent Mfg. Co, in Philadelphia, originally selling for $55 starting September 1923. AK part number 4333. The TA unit is marked 'Type 5A'. See Douglas vol1,p73.
Schematic
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Atwater Kent model 4445A
Also known as the Model 9A Breadboard radio. Made in 1923.
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Atwater Kent model 4340
Also known as the Radiodyne. Made in 1923.
See a Reinhard Bros. breadboard with Atwater Kent parts.
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Atwater Kent model 21 (7780)
1925 5-tube TRF battery-operated radio manufactured by Atwater Kent Mfg. Co. in Philadelphia PA. This is the rare dry-cell version of the model 20 and used UV199 tubes rather than the UX-201A. 17,584 were sold in 1925 but 7,208 were returned in 1926 when Atwater Kent recalled them. From the outside, these look identical to a model 20 except the small raised circle above the rheostat controls has an additional concentric circle molded into it signifying that the rheostats are for UV199 tube filaments rather than the 5-volt filaments used in the model 20. See Douglas vol1,p68,72,79.
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Auto Indicator Company Pocket Radio
Made in 1923.
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A.W. Bowman spark gap
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