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GB492487A
|
|
Call system for telephonic line with multiple stations
|
|
GB450742A
|
|
Improvements relating to metering in automatic telephone systems
|
|
GB414568A
|
|
Improvements in systems for the telephonic distribution of time and other signals
|
|
US1998435A
|
|
Talking clock
|
|
US1933089A
|
|
Call system adapted to be used in connection with automatic telephones
|
|
US1922836A
|
|
Printing clock
|
|
US1945990A
|
|
Time meter
|
|
GB375816A
|
|
Electrically operated speedometer and odometer
|
|
US1965763A
|
|
Electric clock
|
|
US1945989A
|
|
Electrically controlled clock
|
|
US1933086A
|
|
Electric speedometer and milemeter
|
|
GB238843A
|
|
Improvements relating to mechanism for controlling moving leaves or moving band apparatus
|
|
GB157438A
|
|
Improvements in or relating to relays and to synchronised clocks or other apparatus actuated thereby
|
|
GB127314A
|
|
Improved Apparatus for Regulating the Aiming of Guns at Aerial Targets.
|
|
CA320217A
|
|
Electric clock
|
|
CA331160A
|
|
Electric speedometer
|
