Marco type 192 vernier radio dial in box
date: label: date made
content: ca 1926
notes: label: Description (Brief)
content: A plastic housing with graduated scale seem through three ports. Knob on front actuates scale. Brass acorn nut at center holds the unit together. Knob rotates a brass post that turns a brass plate, friction connection. Stamped on back of scale: "MARCO / Patent Pending". Box reads: "Mar-co / Vernier Dial / Nickle [sic] Finish / No. 192 / $2.50 / Mfg. By / Martin-Copela[nd Co.] / Providence, RI. " Sticker reads: "Counter Clockwise / 0 100 / Nickel / No. 192". A 4" vernier dial with original box.
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.323274
label: catalog number
content: 323274
label: accession number
content: 241556
objectType: label: Object Name
content: Radio Dial
label: Other Terms
content: Radio Dial; Components; Radio and Television; Radio and Television
physicalDescription: label: Measurements
content: dial: 1 1/4 in x 4 in; 3.175 cm x 10.16 cm
label: Measurements
content: box: 4 1/8 in x 4 1/4 in x 1 3/8 in; 10.4775 cm x 10.795 cm x 3.4925 cm