GB783736A
(https= )
US1415174A
(en )
1922-05-09
horton
GB545438A
(https= )
GB182418A
(https= )
GB213259A
(https= )
GB374075A
(https= )
GB735178A
(https= )
GB632685A
(en )
1949-11-28
Improvement in secondary time-keeping apparatus
GB795893A
(en )
1958-06-04
Improvements in or relating to counters
US1945272A
(en )
1934-01-30
Electric clock
GB600150A
(en )
1948-04-01
Improvements relating to indexing mechanisms for machine tools
GB648922A
(https= )
GB202098A
(https= )
GB817363A
(en )
1959-07-29
Improvements relating to a return-to-zero system for counter wheels provided with return-to-zero cams
GB666828A
(https= )
US3245730A
(en )
1966-04-12
Brake valve device with minimum application insuring feature
GB642090A
(en )
1950-08-30
Keyboard impulse transmitter for step-by-step printing telegraph
GB339420A
(https= )
GB401825A
(https= )
GB191400927A
(https= )
1915-01-13
GB702495A
(en )
1954-01-20
Cash registers and similar accounting machines
GB252375A
(https= )
GB216375A
(en )
1924-05-29
Improvements in or relating to odometers
GB742911A
(en )
1956-01-04
A control arrangement for motor driven calculating or the like accounting machines
GB190614680A
(en )
1907-05-02
Improvements in Adding Machines.