GB1055365A
(enrdf_load_stackoverflow )
US2942776A
(en )
1960-06-28
Actuating mechanism for ten key adding machines
US3241756A
(en )
1966-03-22
Printing mechanism for calculating machines
US2992773A
(en )
1961-07-18
Multiplication mechanism for adding machines
GB850492A
(en )
1960-10-05
Tape punching apparatus for accounting machines and the like
US2577395A
(en )
1951-12-04
Autographic eegister
US3015436A
(en )
1962-01-02
Division mechanism for listing calculator
US3383036A
(en )
1968-05-14
Arrangement for positioning the decimal point in calculating machines
US2749033A
(en )
1956-06-05
Latour
US899398A
(en )
1908-09-22
Adding-machine.
US3331556A
(en )
1967-07-18
Power driving device for a calculating machine
US2321013A
(en )
1943-06-08
Listing adding machine
GB518840A
(enrdf_load_stackoverflow )
GB721535A
(enrdf_load_stackoverflow )
US1133029A
(en )
1915-03-23
Computing and writing machine.
SU261776A1
(enrdf_load_stackoverflow )
US3126153A
(en )
1964-03-24
tingley
GB686524A
(enrdf_load_stackoverflow )
GB718412A
(enrdf_load_stackoverflow )
GB189826925A
(en )
1899-08-19
Improvements in and connected with Calculating Machines.
GB749504A
(enrdf_load_stackoverflow )
GB539453A
(enrdf_load_stackoverflow )
GB414507A
(enrdf_load_stackoverflow )
GB191219273A
(en )
1913-03-13
Improvements in the Keyboards and Connecting Members of Calculating Machines.
GB469028A
(enrdf_load_stackoverflow )