Galvanometer
date: label: Date made
content: ca 1957
name: label: maker
content: Rubicon Company
notes: label: Description
content: Galvanometer with an aluminum tag that reads "RUBICON COMPANY ELECTRICAL INSTRUMENT MAKERS PHILADELPHIA MADE IN U.S.A. / COARSE ZERO ADJUSTING LEVER ON TOP OF CASE FINE ZERO ADJUSTING KNOB ON RIGHT SIDE." Another tag reads "GALVANOMETER CAT. No. 3414-S SER No. 55148 SENSITIVITY .002 Ma / MM RESISTANCE 348 OHMS PERIOD 4 SECONDS C.D.R.X. 5000 OHMS DATE 7-26-57 RUBICON COMPANY PHILADELPHIA." The Rubicon Co. was in business by 1948. It was purchased by the Minneapolis-Honeywell Regulator Co. in 1957 and became the Rubicon Instruments Division of that larger firm.
label: Location
content: Currently not on view
place: label: place made
content: United States: Pennsylvania, Philadelphia
setName: label: See more items in
content: Medicine and Science: Chemistry
creditLine: label: Credit Line
content: Gift of Rensselaer Polytechnic Institute, Department of Chemistry
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1981.0496.05
label: catalog number
content: 1981.496.5
label: accession number
content: 1981.0496
label: serial number
content: 55143
objectType: label: Object Name
content: galvanometer
label: Object Name
content: Galvanometer
physicalDescription: label: Physical Description
content: glass (overall material)
label: Physical Description
content: mahogany (overall material)
label: Measurements
content: tag bottom front: 38 mm x 38 mm; 1 1/2 in x 1 1/2 in
label: Measurements
content: tag lower front: 1 in x 3 1/16 in; 2.54 cm x 7.70001 cm
label: Measurements
content: scale panel: 5 in x 1 1/2 in; 12.7 cm x 3.80009 cm
label: Measurements
content: overall: 25.2 cm x 20.3 cm x 25.7 cm; 9 15/16 in x 8 in x 10 1/8 in