General Information

Serial #

1013497

Part Number

1

Total Parts

4

AKA

N/A

Patents

N/A

General Description

Metal body with clear glass window in the center. Metal rod protruding from the top of the main body. A paper tag is attached to the metal rod using fiber string.

Dimensions

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

Length

35.0 cm

Width

16.0 cm

Height

7.0 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Computing Technology

Category

Development & maintenance equipment

Sub-Category

N/A

Manufacturer

AKA

Leeds Northrup

Country

United States of America

State/Province

Pennsylvania

City

Philadelphia

Context

Country

Unknown

State/Province

Unknown

Period

Unknown

Canada

Unknown

Function

Unknown

Technical

The ancestors of the moving coil instrument were the "siphon recorder" developed by William Thomson (1867) for the telegraph industry and the "fishbone galvanometer" invented by Marcel Deprez (1880). Jacques D'Arsonval, suggested fixing the "fishbone" in Deprez's instrument and making its coil moveable... (see complete ws in o:drive S.I.)

Area Notes

Unknown

Details

Markings

N/A

Missing

N/A

Finish

Main body has a satin black "bumpy" and smooth finish. Rod protruding from the top of the main body has satin silver metallic smooth finish. Attached paper tag is white with black markings, and is attached with a white/brown fibre string.

Decoration

N/A