Electric-Current Relay
Description:
Patent for Electric-Current Relay to allow capability of use with either a direct or alternating current. This is adapted for economical use in constant temperature apparatus. Further, this technology avoids the possibility of "sticking of relay movable contacts".
Date:
July 19, 1921
Creator:
Lorenz, Charles O.
Item Type:
Refine your search to only
Patent
Partner:
UNT Libraries Government Documents Department