TYPE-CRA oscillograph
Date: circa 1937
Inventory Number: RS1076
Classification: Oscillograph
Subject:
Cultural Region:
Place of Origin:
Dimensions:
38 x 22 x 46 cm (14 15/16 x 8 11/16 x 18 1/8 in.)
Description:
Rectangular metal case with leather handle. Painted silver metal front panel with 11 arrow-shaped dials and 2 black capped electrical connectors and circular cathode-ray-tube screen.
Cord with conical 2-pronged plug.
Cord with conical 2-pronged plug.
Signedpainted on front panel: CB
plate on side: The CLOUGH-BRENDLE CO. / CHICAGO, ILL (CB logo) U.S.A. / MOD. CRA SER. 2096 / V. 115 CYC. 60 WATTS 60
plate on side: The CLOUGH-BRENDLE CO. / CHICAGO, ILL (CB logo) U.S.A. / MOD. CRA SER. 2096 / V. 115 CYC. 60 WATTS 60
Inscribedpainted on front: TYPE - CRA / OSCILLOSCOPE
FunctionThe an oscillograph or oscilloscope is an electronic device that is used to observe the shape of an electrical signal.
For more information on the electron oscillograph, see the wikipedia page here.
For more information on the electron oscillograph, see the wikipedia page here.
Curatorial RemarksFrom Tag: Probably the first oscillograph available to the radio repair profession. Unusual CRT, has all clear glass except for front screeen. Also used with accessories for visual adjustments of radio I-F amplifiers.
ProvenancePrivate Donor, 1973.