ADT 400-1 Relay Sprinkler Supervisory Transmitter

Description (Brief):

ADT 400-1 Relay Sprinkler Supervisory Telephone Transmitter. Vertical wall mount wood box housing electrical controls; hinged cover and hinged frame on back. ADT (American District Telegraph) marking on label.

Location: Currently not on view

See more items in: Work and Industry: Electricity


Exhibition Location:

Credit Line: from Thomas Neely, Jr.

Data Source: National Museum of American History

Id Number: 1984.0255.15Catalog Number: 1984.0255.15Accession Number: 1984.0255

Object Name: Box, Controlalarm transmitter

Physical Description: wood (overall material)metal (overall material)Measurements: overall: 14 3/4 in x 9 1/4 in x 6 3/4 in; 37.465 cm x 23.495 cm x 17.145 cm


Record Id: nmah_997554

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