[Correspondence relating to electrical engineering products]

20 Aug 1959-13 Oct 1959
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Production Date
20 Aug 1959-13 Oct 1959
(1) Correspondence to Acoustic Research Service Co. from various suppliers about electrical engineering products including silver-zinc accumulators, beat frequency oscillator (H012), vale-voltmeter, automatic coil winding machine, and meteor fine wire winding machine.
(2) Two letters to TeeVee Radio Limited about mylar polyester film for metallized electrostatic speakers.
Physical Description
1 folder ; 36 cm
Accession No
Credit Line
20 Aug 1959-13 Oct 1959. [Correspondence relating to electrical engineering products], MSS-0185-6. Walsh Memorial Library, The Museum of Transport and Technology (MOTAT).

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