control board for Rogers system
control board for Rogers system
Usage conditions apply
- Description (Brief)
- For Rogers Visual Sychronizing System. #6 of 8 pieces of apparatus, patented 1887-1890. F: Control board, walnut, on which are mounted 1 polarizer with relay, 1 common relay, 1 sounder, 1 fuse block, 2 electric lamps.
- Location
- Currently not on view
- Object Name
- signaling device component
- maker
- Rogers Research Laboratory
- ID Number
- EM.309852F
- accession number
- 110134
- catalog number
- 309852F
- Credit Line
- from James C. Rogers
- See more items in
- Work and Industry: Electricity
- Data Source
- National Museum of American History
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