Oscillograph

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Ingenium, 1975.0154.001
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OBJECT TYPE: CATHODE RAY
DATE: 1940–1950
ARTIFACT NUMBER: 1975.0154.001

MANUFACTURER: DUMONT, ALLEN B. LABORATORIES INC.
MODEL: 208
LOCATION: Passaic, New Jersey, United States of America

More Information

General Information

Serial #: 333
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: METAL CASE/ SYNTHETIC KNOBS/ GLASS SCREEN/ METAL, GLASS & SYNTHETIC WORKING PARTS/ LEATHER HANDLE

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: 50.0 cm
Width: 22.5 cm
Height: 36.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Communications
Category: Radar
Sub-Category: N/A

Manufacturer

AKA: DUMONT
Country: United States of America
State/Province: New Jersey
City: Passaic

Context

Country: North America
State/Province: Unknown
Period: THIS ARTIFACT BY NRC DURING WWII; SCOPE BY ERIC ROBINSON TILL 1974
Canada: USED AT NRC FOR IMPORTANT RADAR RESEARCH DURING WWII
Function: TO PLOT AN INSTANTANEOUS VISUAL CURVE (WAVE FORM) OF ONE ELECTRICAL QUANTITY AS A FUNCTION OF ANOTHER ELECTRICAL QUANTITY ON THE SCREEN OF A CATHODE RAY TUBE
Technical: TYPE SAMPLE/ INVENTION OF CATHODE RAY TUBE LED RAPIDLY TO ITS USE IN OSCILLOSCOPES IN 1921. PREVIOUSLY, TO PICTURE A WAVE OF ELECTRICITY, A STRING GALVANOMETER WAS USED ALONG WITH A ROTATING MIRROR, THE WHOLE PROJECTED ONTO A PHOTOGRAPIC PLATE... (* CONT'D ON WORKSHEET IN SUPP. INFO. & O:DRIVE SUPP.INFO.)
Area Notes: Unknown

Details

Markings: ON PANEL: 'CATHODE-RAY OSCILLOGRAPH/ ALLEN B. DU MONT LABORATORIES, INC. PASSAIC, N.J., U.S.A./ TYPE 208 SERIAL NO. 333/ 115/230 VOLTS/ 40/60 CYCLES/ 90 WATTS/ U.S. PATENTS 1,960,333/ 2,000,014 2,014,106/ 2,186,635 2,208,254/ OTHERS PENDING/ [VARIOUS CALIBRATIONS & INDICATIONS AROUND KNOBS]'/ PAINTED ON TOP: 'Z.P.1. NO1'/ ON BACK: 'R-80'/ STICKER ON FRONT: 'D #414/ PROPERTY OF/ DEFENCE SECTION'
Missing: N/A
Finish: BLACK WRINKLE ON CASE/ FRONT PANEL BLACK WITH SILVER TRIM & PRINTING/ BLACK KNOBS
Decoration: SILVER LINES ON FRONT PANEL

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

DUMONT, ALLEN B. LABORATORIES INC., Oscillograph, circa 1940–1950, Artifact no. 1975.0154, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1975.0154.001/

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