cathode ray oscilloscope
Datecirca 1946
Inventory NumberWJ0435
ClassificationOscilloscope
Subject
Maker
Allen B. Du Mont Laboratories, Inc
1931 - 1960
Place of OriginPassaic, New Jersey, United States
Dimensions36.7 × 22.6 × 47.8 cm (14 7/16 × 8 7/8 × 18 13/16 in.)
Signedprinted on front: CATHODE-RAY OSCILLOGRAPH / ALLEN B. DU MONT LABORATORIES INC., PASSAIC, N.J. U.S.A.
printed on front center: DUMONT (logo)
Inscribedprinted on front left: TYPE 208-B / SERIAL NO. 1180
printed on front right 115 / 230 VOLTS / 40-60 CYCLES / 90 WATTS
writted in red on front left: 76-B-740 / Tr-HU-2/7/61
stamped in white on front left: 11642
stamped in white on front right:OEM ST-658 PAL
Curatorial Remarkstype 208-B 11642 76-B-740 Tr-HU-2/7/61 located in basement of William James Hall in the Stevens display weight is an estimate and not necessarily accurate
FunctionOne of many oscilloscopes used in PAL in the +40s and +50s to display graphically, for calibration purposes, the stimuli in auditory experiments.
Historical AttributesUsed in the Psycho-Acoustic Laboratory (PAL) in Memorial Hall, Harvard University.
Allen B. Du Mont Laboratories, Inc
Date: 1940-1941
Object number: 1997-1-0490
Allen B. Du Mont Laboratories, Inc
Date: circa 1948
Object number: 1999-1-0039a
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
Allen B. Du Mont Laboratories, Inc
Date: 1940-1960
Object number: 1999-1-0003
Allen B. Du Mont Laboratories, Inc
Date: circa 1948
Accessories: original box; Warranty Registration Card and Patent Notice (placed in instrument's file).
Object number: 2008-1-0015
Allen B. Du Mont Laboratories, Inc
Date: 1950-1960
Accessories: laboratory notes (in CHSI library)
Object number: 1997-1-0489
Allen B. Du Mont Laboratories, Inc
Date: 1945-1946
Object number: RS1073
Allen B. Du Mont Laboratories, Inc
Accessories: Cable.
Object number: RS1141
Allen B. Du Mont Laboratories, Inc
Date: circa 1952
Object number: 2003-1-0267
Allen B. Du Mont Laboratories, Inc
Date: 1945
Accessories: see Bowdoin laboratory notes in library
Object number: 1997-1-0522