GB445504A
(https= )
GB1060756A
(en )
1967-03-08
Escapement mechanisms for typewriters
US2330689A
(en )
1943-09-28
Register
US2577395A
(en )
1951-12-04
Autographic eegister
US3086701A
(en )
1963-04-23
Capellaro
US1601398A
(en )
1926-09-28
- cincinnati
US1816263A
(en )
1931-07-28
robertson
GB362913A
(en )
1931-12-09
Improvements in or relating to tabulating or like printing machines
US1647529A
(en )
1927-11-01
Total and subtotal mechanism
GB1248447A
(en )
1971-10-06
Improvements in or relating to keyboard operated machines
GB487494A
(https= )
US2926846A
(en )
1960-03-01
Predetermined carriage shifting and dividend
GB749504A
(https= )
US1883892A
(en )
1932-10-25
Walther flach
US1442576A
(en )
1923-01-16
Combined typewriting and computing machine
GB285885A
(https= )
GB259267A
(https= )
GB420807A
(https= )
1900-01-01
GB340256A
(https= )
GB339016A
(en )
1930-12-04
Improvements in zero printing arrangements for calculating machines, cash registers and similar machines
GB539453A
(https= )
GB409101A
(https= )
GB191210902A
(en )
1913-06-09
Combined Typewriting and Computing Machine.
GB416498A
(https= )
GB737050A
(en )
1955-09-21
Computing machine