1amp shunt
Date: circa 1912
Inventory Number: 0533a
Classification: Shunt
Subject:
Maker: Weston Electrical Instrument Corporation (founded 1888)
User: Department of Physics, Harvard University (founded 1884)
User: Harvard Engineering School (1918 - 1951)
Cultural Region:
Place of Origin:
City of Use:
Dimensions:
4.1 × 14.8 × 3.2 cm (1 5/8 × 5 13/16 × 1 1/4 in.)
Description:
1 AMP SHUNT 50 M.V. DROP 6" long. Two heavy copper blocks on molded bakelite base - space between has molded(?) cover w/ name plate and an "S" piece of resistance wire within. Heavy bolts and screws for line and meter respectively
Signedembossed on black plaque: 1 AMP. SHUNT / 50 MV. DROP / USE WITH / MODEL __ No __ / MADE BY / WESTON ELECTRICAL INSTRUMENT CORP. / NEWARK, N.J., U.S.A. / PATENTED MAY 16, 93 DEC. 8.08
Functionfor Meter Model 35 and 56 or SWITCHBOARD 50 M.V.
According to card, the shut is pivoted with bolts rather than wing bolts for current conductors, which would indicate it was used with a switchboard meter.
According to card, the shut is pivoted with bolts rather than wing bolts for current conductors, which would indicate it was used with a switchboard meter.
ProvenanceFrom the Jefferson Physical Laboratory, Harvard University. Was used for teaching Physics 3 class; and from Pierce Hall, Engineering School, Harvard University.
