control board for Rogers system

control board for Rogers system

Usage conditions apply
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.
Currently not on view
Object Name
control board
signaling device component
Rogers Research Laboratory
ID Number
accession number
catalog number
Credit Line
from James C. Rogers
See more items in
Work and Industry: Electricity
Data Source
National Museum of American History
Nominate this object for photography.   

Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.

If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. If you need to request an image for publication or other use, please visit Rights and Reproductions.


Add a comment about this object