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Description
Patented November 6th, 1888, No. 931. Described in the Foothill Electronics Museum's original accession record as follows: "A precision laboratory ammeter with hand calibrated scale. 0-320 Amperes. On wooden base. Typical of early laboratory instruments, probably around 1895." This may have been part of Douglas Perham's Herrold exhibit at his New Almaden Museum.
Type
image
Identifier
E146B99B-DC20-4C0D-A89E-547877874090 2003-1-785
Subject
Ammeters (LCSH) Testing Electric apparatus and appliances (LCSH) Scientific apparatus and instruments (LCSH) Nineteenth century (LCSH) Electric currents (LCSH)
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