Gilbert model 4004-T "Wireless Telegraph Outfit": Museum Object and Cultural History
Gilbert model 4004-T "Wireless Telegraph Outfit": date made: ca 1920. date made: ca. 1920. Associated Name: A. C. Gilbert Company.

The object in the museum catalogue
An early radio practice set used as an introduction to radio technology and Morse code. Includes two send-receive stations, each with a key, buzzer, cat's whisker detector, and connectors for ground, aerial, battery and earphones. A Morse code chart is printed on each station. Includes two crystals and two single-piece earphones, four RT&S Co. #328 ceramic insulators, a roll of bare copper wire, and a roll of insulated wire. Penciled note: "Toy Mfgs. of U.S.A. #83"; printed on package: “A. C. Gilbert”, “4004-T Wireless Telegraph Outfit”. Original price $5.00
Materials, dates and provenance
- date made: ca 1920
- date made: ca. 1920
- Associated Name: A. C. Gilbert Company
- maker: A. C. Gilbert Company
- Object Name: educational toy
- Object Name: wireless key
- Object Name: toy
- Object Name: toy radio key
- Object Name: wireless set
- Measurements: overall: 1 1/2 in x 18 in x 10 in; 3.81 cm x 45.72 cm x 25.4 cm
- ID Number: 2012.0168.03
- accession number: 2012.0168
- catalog number: 2012.0168.03
- Data Source: National Museum of American History
Sources and reuse
Catalogue descriptions and facts adapted from National Museum of American History through the Smithsonian's official Open Access dataset. This record explicitly marks its metadata CC0 1.0; formatting and selection have been changed.