Test set, vacuum tube

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Ingenium, 1988.0337.001
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OBJECT TYPE: EMISSION/4 PIN SOCKET
DATE: 1925
ARTIFACT NUMBER: 1988.0337.001

MANUFACTURER: HOYT ELECTRICAL INSTRUMENT WORKS
MODEL: 100
LOCATION: Penacook, New Hampshire, United States of America

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: WOOD CASE/ SYNTHETIC KNOBS/ METAL & GLASS METER/ PAPER INSTRUCTIONS ATTACHED TO BOTTOM

Dimensions

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

Length: 22.5 cm
Width: 12.5 cm
Height: 6.5 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

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

Manufacturer

AKA: HOYT
Country: United States of America
State/Province: New Hampshire
City: Penacook

Context

Country: North America
State/Province: Unknown
Period: 1925 TO 1932
Canada: NIL
Function: TO TEST VACUUM TUBES & MAKE GENERAL MEASUREMENTS ON RADIO EQUIPMENT.
Technical: A VERY EARLY EXAMPLE OF RADIO SERVICE TEST EQUIPMENT.
Area Notes: Unknown

Details

Markings: MFR'S PLATE: 'HOYT/ ELECTRICAL INSTRUMENT/ WORKS/ PENACOOK N.H. U.S.A.'/ METER: 'MODEL 100 MILAMPERES PAT. APPLIED FOR/ D.C./ VOLTS'/ CARD ATTACHED TO BACK: 'INSTRUCTIONS/ For operating HoytModel 100 Tester [ENTIRE CARD ALMOST ILLEGIBLE]/ B[?]RTON-ROGERS COMPANY Factor[?]/ BOSTON [?]/ HOYT [?] INSTRUMENTS'
Missing: ONE FOOT/ SCREWS ON BOTTOM
Finish: WOOD STAINED & VARNISHED/ METAL PAINTED BLACK/ TUNING KNOB MOTTLED BROWN
Decoration: N/A

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HOYT ELECTRICAL INSTRUMENT WORKS, Test set, vacuum tube, circa 1925, Artifact no. 1988.0337, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1988.0337.001/

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