Archives Catalog Entry
Weston DC ammeter, model 45
Manufactured by Weston Electrical Instrument Corporation, Newark , NJ. Serial no. 64000. Caltech Chemistry Division inventory #9694. In wooden case. Circa 1931.
Jan. 1, 1930
MEDIUM: Wood, metal, paper and plastic label; FORMAT: in case; LENGTH: 8 x 8 x4.5 inches; QUANTITY: 1
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