[Lot of] Documents related to the development of a transducer for use in phonograph cartridges; circa 1964 [Motoola; Electro-Voice; Astatic Corporation]

Descripción

This is a lot of approximately 25 documents related to the development of a transducer for use in phonograph cartridges. Most are dated late 1964, but a few early 1965, and a couple as early as 1962. Mostly internal memos, but also some to-and-from Electro-Voice Incorporated and The Astatic Corporation. Most on Motorola letterhead, but a few on Electro-Voice & Astatic letterhead. Some originals, some onion-skin copies, and some photocopies. A few hand-written notes. ; 27C. N° de ref. del artículo 62365

Contactar al vendedor

Denunciar este artículo

Detalles bibliográficos