GR type P-508 Owen bridge
Inventory Number: RS0227
Classification: Communications Apparatus
Subject:
Maker: General Radio Company (1915-present)
Maker: Electro-Acoustic Laboratory, Harvard University (1940 - 1947)
Maker: Psycho-Acoustic Laboratory, Harvard University (1940 - 1962)
Cultural Region:
Place of Origin:
Dimensions:
30 x 54 x 52 cm (11 13/16 x 21 1/4 x 20 1/2 in.)
Description:
An unidentified General Radio Co. communications apparatus in a wooden box with metal fixtures and bakelite knobs.
In Collection(s)
Signedplate on top of lid: OWEN BRIDGE / TYPE NO. P-508 SERIAL NO. 102 /
(GR logo) / GENERAL RADIO CO. / CAMRBIDGE, MASS., U.S.A. / U.S. PATENTS
etched and white filled on top panel: OWEN BRIDGE / TYPE NO. P-508 SERIAL NO. 102 / GENERAL RADIO CO. / CAMRBIDGE, MASS., U.S.A
plate on side: (GR logo)
(GR logo) / GENERAL RADIO CO. / CAMRBIDGE, MASS., U.S.A. / U.S. PATENTS
etched and white filled on top panel: OWEN BRIDGE / TYPE NO. P-508 SERIAL NO. 102 / GENERAL RADIO CO. / CAMRBIDGE, MASS., U.S.A
plate on side: (GR logo)
Inscribedstamped in white: NDRC / 658 / 1782
stamped in yellow on side: ACCOUSTICS
in red on side: OWEN / BRIDGE / (Inductance)
stamped in yellow on side: ACCOUSTICS
in red on side: OWEN / BRIDGE / (Inductance)