shunt for precision millivoltmeter
Date: circa 1900
Inventory Number: 0322d
Classification: Shunt
Subject:
Maker: Siemens & Halske AG (1897 - 1966)
User: Harvard Engineering School (1918 - 1951)
Cultural Region:
Place of Origin:
City of Use:
Dimensions:
3.9 × 16.2 × 2.2 cm (1 9/16 × 6 3/8 × 7/8 in.)
Description:
Marble strip set on same sized wooden strip with 4 binding posts. Measurements and label on reverse.
Signedmark with Siemens & Halske logo
Inscribedbinding posts: .15 amp / .30 amp / .75 amp. / +
engraved in side: for the Precision - Millivoltmeter of 10 (ohms) Resistance
engraved in side: for the Precision - Millivoltmeter of 10 (ohms) Resistance
FunctionA shunt is a device that allows electric current to pass around another point in an electric circuit.
ProvenanceFrom the Harvard University Engineering school, 12/56.