control board for Rogers system

control board for Rogers system

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Description (Brief)
For Rogers Visual Synchronizing System. #7 of 8 pieces of apparatus, patented 1887-1890. G: Control board on which are mounted 1 polarizing relay, 1 fuse block, 1 choke coil, 1 common relay; on the bottom of this board are mounted 1 porcelain sockets.
Location
Currently not on view
Object Name
control board
signaling device component
maker
Rogers Research Laboratory
ID Number
EM.309852G
accession number
110134
catalog number
309852G
Credit Line
from James C. Rogers
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Work and Industry: Electricity
Data Source
National Museum of American History
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