GB307551A
(enrdf_load_stackoverflow )
US1905659A
(en )
1933-04-25
thomson
US2148861A
(en )
1939-02-28
Impression mechanism
US2299396A
(en )
1942-10-20
Ticket printing and issuing machine
US2039966A
(en )
1936-05-05
Selector
GB331182A
(enrdf_load_stackoverflow )
GB576600A
(en )
1946-04-11
Improvements in or relating to apparatus for mechanically operating keyboards of typewriters and the like
US2527996A
(en )
1950-10-31
Hanpley
US1508870A
(en )
1924-09-16
Electrically-operated telegraphic typewriting system
US2293077A
(en )
1942-08-18
Telegraph transmitter
US1944994A
(en )
1934-01-30
Clutching device
US2463688A
(en )
1949-03-08
Code call mechanism
GB297048A
(enrdf_load_stackoverflow )
US1816263A
(en )
1931-07-28
robertson
US1917511A
(en )
1933-07-11
Keyboard lock
US1965602A
(en )
1934-07-10
Keyboard perforator transmitter
GB231507A
(enrdf_load_stackoverflow )
US2717927A
(en )
1955-09-13
Dialling device for automatic telephone instruments
US2480165A
(en )
1949-08-30
Alarm device for indicating failure of the paper feed mechanism in teleprinters
GB630191A
(en )
1949-10-07
Improvements in a duplicating machine
GB758818A
(en )
1956-10-10
Improvements in or relating to statistical machines
US1859165A
(en )
1932-05-17
Automatic tape cut-off
US4155659A
(en )
1979-05-22
Printing and coding machine
GB325873A
(enrdf_load_stackoverflow )
GB368825A
(en )
1932-03-10
Improvements in or relating to coin freed ticket printing and issuing machines