|
SE71253C1
(cs)
|
|
|
|
US1932932A
(en)
|
|
Start-stop telegraph system and apparatus therefor
|
|
US2093873A
(en)
|
|
Translating mechanism for type printing telegraphs and like apparatus
|
|
US1800973A
(en)
|
|
Mechanical translating apparatus for printing-telegraph systems
|
|
US2110506A
(en)
|
|
Start-stop telegraph
|
|
US2104582A
(en)
|
|
Airplane engine synchronizer
|
|
US2167528A
(en)
|
|
Telegraph transmitter
|
|
US2574362A
(en)
|
|
Telegraph transmitter with message numbering
|
|
US2585041A
(en)
|
|
Printing telegraph receiver
|
|
GB476123A
(en)
|
|
Improvements in or relating to start stop telegraph apparatus
|
|
US2206665A
(en)
|
|
Communication system
|
|
US2150240A
(en)
|
|
Communication system
|
|
US2355437A
(en)
|
|
Register translator or like device
|
|
US2069240A
(en)
|
|
Keyboard perforator and counter
|
|
GB502521A
(en)
|
|
Improvements in or relating to transmitters for step-by-step telegraph systems
|
|
GB364264A
(en)
|
|
Improvements in telegraphic systems
|
|
GB506814A
(en)
|
|
Improvements in or relating to type printing telegraph apparatus
|
|
US2491790A
(en)
|
|
Automatic telephone calling system
|
|
US1177694A
(en)
|
|
Telegraphic type-printing receiver.
|
|
US2331916A
(en)
|
|
Photographic apparatus
|
|
US1289900A
(en)
|
|
Telegraph-transmitter.
|
|
US2130400A
(en)
|
|
Transmitting apparatus in teleprinters
|
|
GB392572A
(en)
|
|
Improvements in variable speed gearing
|
|
US1984317A
(en)
|
|
Keyboard perforator and counter
|
|
US1077706A
(en)
|
|
Range-transmitter.
|