Wireless Specialty type IP-503 long wave loading unit
date: label: date made
content: ca 1919
name: label: maker
content: Wireless Specialty Apparatus Co.
notes: label: Description (Brief)
content: Markings: plate reads: Long Wave Loading Unit / Type IP 503 Serial No. 800163 / For use with IP 500 and IP 501 Receivers / Manufactured by Wireless Specialty / Apparatus Co. - For Radio / Corporation of America. This unit is a loading coil to be used with the IP 500 and IP 501 receivers. Wavelength selection can be made by means of a switch marked short, medium, and long. Locking mechanism holds pointer at a fixed location. Other controls for tickler and coupling. Allied Van Lines shipping label #86.
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.320692
label: accession number
content: 241556
label: catalog number
content: 320692
objectType: label: Object Name
content: loading unit
physicalDescription: label: Measurements
content: overall: 9 in x 18 in x 9 in; 22.86 cm x 45.72 cm x 22.86 cm