GB268839A
(enrdf_load_stackoverflow )
GB410381A
(en )
1934-05-17
Improvements relating to power actuated tabulator mechanism for typewriting and like machines
US1794464A
(en )
1931-03-03
Combined typewriting anb computing machine
US1294704A
(en )
1919-02-18
Elimination and special-signal mechanism.
GB608988A
(enrdf_load_stackoverflow )
GB643189A
(enrdf_load_stackoverflow )
GB465890A
(enrdf_load_stackoverflow )
US2433679A
(en )
1947-12-30
Indian currency computing and recording calculator
GB408795A
(en )
1934-04-19
Improvements in or relating to calculating and/or check writing machines
US2027449A
(en )
1936-01-14
Calculating machine and cash
GB459812A
(enrdf_load_stackoverflow )
US1958464A
(en )
1934-05-15
Check writing machine
GB682295A
(enrdf_load_stackoverflow )
GB462686A
(enrdf_load_stackoverflow )
GB221812A
(enrdf_load_stackoverflow )
GB344040A
(enrdf_load_stackoverflow )
GB420807A
(enrdf_load_stackoverflow )
1900-01-01
GB427722A
(enrdf_load_stackoverflow )
GB543965A
(enrdf_load_stackoverflow )
GB425542A
(enrdf_load_stackoverflow )
GB528737A
(enrdf_load_stackoverflow )
GB416498A
(enrdf_load_stackoverflow )
GB224244A
(en )
1925-03-27
Improvements in keyboard and differential mechanism for cash registers or calculating machines
GB156279A
(enrdf_load_stackoverflow )
GB223866A
(enrdf_load_stackoverflow )