fan for cathode-ray oscilloscope
Datecirca 1948
Inventory Number1999-1-0039b
ClassificationOscilloscope
Subject
Maker
Archer
Cultural Region
Dimensions11.8 x 11.8 x 6.7 cm (4 5/8 x 4 5/8 x 2 5/8 in.)
Material
DescriptionBlack fan inside a square metal frame. Motor is at the back. Orange wire used to hang the fan upright inside the oscilloscope.
To attach the fan: open the flap at the back of the oscilloscope and hang it on the screw. Plug fan motor into the lead socket connector.
To attach the fan: open the flap at the back of the oscilloscope and hang it on the screw. Plug fan motor into the lead socket connector.
Signedon front: ARCHER
FunctionFan designed to keep cool the DuMont cathode-ray oscilloscope type 350.
ProvenanceProfessor John Michael Harrison, Department of Psychology, Boston University, pre-1998; gift to CHSI, 1999.
Tektronix, Inc.
Date: circa 1960
Accessories: power cord; instruction manual; note (inside manual)
Object number: 2008-1-0111
Edison Manufacturing Company
Date: circa 1900
Object number: RS0393
General Radio Company
Date: late 19th-early 20th Century
Object number: RS0175
N. James
Date: 1700-1725
Accessories: winding key
Object number: 7935
Allen B. Du Mont Laboratories, Inc
Date: circa 1950
Accessories: operating and maintenance manual for "cathode ray oscillograph types 304-A and 304-AR" in library
Object number: 2003-1-0174
