regulated power supply, model 28
Date1940-1960
Inventory NumberRS1051
ClassificationPower Supply
Subject
Maker
Lambda Electronics Corporation
founded 1948
Maker
Cornell-Dubilier Electric Company
1933-present
Cultural Region
Place of Origin
Dimensions14 x 49 x 23 cm (5 1/2 x 19 5/16 x 9 1/16 in.)
Material
DescriptionRack mounting regulated power supply. Rectangular black metal case with switch and red indicator light on front and tubes and transformers in back. Thick black cord with 2-pronged plug.
Signedplate on front: REGULATED POWER SUPPLY / Input: 105-125 Volts, 50-60 cps / MODEL 28 (Lambda logo) Serial No. B1830 / LAMBDA ELECTRONICS CORP. / CORONA, NEW YORK
label in front: U.S. GOVERNMENT PROPERTY / 76-16D-1
Inscribedlabel in front (handwritten): MARK II Power Supply
stamped in black on back: LAMBDA PT. NO. CP. 328 / TRUI 100 / CORNELL DUBILIER ELECTRIC CORP. / 4 MFD 4 MFD 2 MFD / 600 VDC / MFG. UNDER U.S. PATS. / 1,931,373 - 2,041,594 1,850,702 / AE
etched and white filled on back: LAMBDA ELECTRONICS CORP. / CORONA, NEW YORK / MODEL 28
stamped in black on back: LF-12A
Curatorial RemarksUncertain to which Mark II this instrument belonged.
FunctionAn apparatus that supplies a stable voltage to a certain appliance or device.
Applied Physics Corporation
Date: circa 1951
Object number: 1995-1-0037b
Damon Engineering, Inc.
Date: 1962-1972
Object number: 2006-1-0084
Harrison Laboratories Inc.
Date: mid 20th-late 20th Century
Accessories: Red and black patch cords, still plugged into front of unit.
Object number: 2004-1-0416
Electron Arc, Inc.
Date: circa 1950
Accessories: base; cover
Object number: 2007-1-0085
