Voltmeter

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Ingenium, 1995.1582.001
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OBJECT TYPE
VACUUM TUBE/AC
DATE
1940–1949
ARTIFACT NUMBER
1995.1582.001
MANUFACTURER
HEWLETT-PACKARD CO.
MODEL
400A
LOCATION
Palo Alto, California, United States of America

More Information


General Information

Serial #
F2191
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
METAL CASING, SWITCH, PARTS/ SYNTHETIC CONTROLS, DIAL CASING, LIGHT, POWER CORD, PARTS/ GLASS WINDOW/ LEATHER CARRYING HANDLE

Dimensions

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

Length
27.0 cm
Width
19.2 cm
Height
22.5 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Communications
Category
Sound
Sub-Category
N/A

Manufacturer

AKA
HEWLETT PACKARD
Country
United States of America
State/Province
California
City
Palo Alto

Context

Country
Canada
State/Province
Quebec
Period
1970'S+
Canada
EQUIPMENT USED IN ENGINEERING DEPT. OF NATIONAL FILM BOARD OF CANADA. CREATED IN 1939, NFB IS PUBLIC AGENCY THAT PRODUCES & DISTRIBUTES FILMS & OTHER AUDIOVISUAL WORKS WHICH REFLECT CANADA. AT ONE TIME WELL FUNDED BY GOV'T, NFB HAD GOOD QUALITY EQUIPMENT BY WELL KNOWN MFRS.
Function
GENERALLY, CALIBRATED INSTRUMENT USED TO MEASURE ALTERNATING CURRENT VOLTAGE, OR POTENTIAL DIFFERENCE BETWEEN TWO POINTS.
Technical
EXAMPLE OF ACOUSTICAL TEST EQUIPMENT OF1940'S, PART OF EQUIPMENT OF AUDIOVISUAL PRODUCTION FACILITY. SEE 951581 FOR VACUUM TUBE VOLTMETER OF 1960'S FROM SAME PRODUCT SERIES BY SAME MFR.
Area Notes
Unknown

Details

Markings
INCISED WHITE LETTERING ON FRONT READING "MODEL 400A" WITH CAST BLUE "hp" LOGO/ BLACK LETTERING ON DIAL FACE READS "HEWLETT-PACKARD CO.- PALO ALTO, CALIFORNIA"/ PLATE ON BACK READS "115 VOLTS 50-60 CYCLES/ SERIAL NO. F2192" WITH PATENT INFO./ PLATE ON BACK READS "NFB/ 2422"
Missing
BASE From CA of 11/15/2001 by Matthew Bruce: Yes - missing screws, internal glass fuse, feet (at least)
Finish
GREY CRINKLE PAINTED CASING/ FLAT GREY PAINTED FRONT PANEL/ BLACK CONTROLS, POWER CORD/ WHITE DIAL FACE/ RED LIGHT/ PLATED SWITCH/ COLOURLESS, TRANSPARENT GLASS/ BLACK HANDLE
Decoration
N/A

CITE THIS OBJECT

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

HEWLETT-PACKARD CO., Voltmeter, between 1940–1949, Artifact no. 1995.1582, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1995.1582.001/

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