Roller-Smith AC ammeter
name: label: maker
content: Roller-Smith Co.
notes: label: Description (Brief)
content: Marked: "Alternating Current Meter / No. 59250 / Manufactured by The Roller-Smith Co. / Bethlehem, Pa. U.S.A." An AC ammeter with 0 to 3 amp scale, graduated in 2/10 amp divisions. Movement observation window is broken. Two large binding posts on base for external circuit connections. Large viewing window for scale on panel.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Franklin Wingard
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.321601
label: accession number
content: 241556
label: catalog number
content: 321601
objectType: label: Object Name
content: ammeter
physicalDescription: label: Measurements
content: carry box: 7 in x 7 1/2 in x 5 in; 17.78 cm x 19.05 cm x 12.7 cm
label: Measurements
content: meter: 3 3/8 in x 6 3/4 in x 6 1/4 in; 8.5725 cm x 17.145 cm x 15.875 cm