GB550978A
(en )
1943-02-03
Improvements in or relating to calculating or similar accounting machines
GB454463A
(enrdf_load_stackoverflow )
US2678160A
(en )
1954-05-11
Key-responsive recording
GB409101A
(enrdf_load_stackoverflow )
GB285885A
(enrdf_load_stackoverflow )
GB1393550A
(en )
1975-05-07
Syllabic typewriters and similar machines
US1599634A
(en )
1926-09-14
Signal-printing mechanism
US2718354A
(en )
1955-09-20
sharpe
GB521300A
(enrdf_load_stackoverflow )
GB628636A
(enrdf_load_stackoverflow )
US899965A
(en )
1908-09-29
Adding-machine.
GB497640A
(enrdf_load_stackoverflow )
GB508141A
(enrdf_load_stackoverflow )
GB394999A
(enrdf_load_stackoverflow )
GB474938A
(enrdf_load_stackoverflow )
GB420807A
(enrdf_load_stackoverflow )
1900-01-01
GB146285A
(en )
1921-12-28
Improvements in and relating to item printing arrangements for calculating machines
GB416498A
(enrdf_load_stackoverflow )
GB672771A
(enrdf_load_stackoverflow )
GB539453A
(enrdf_load_stackoverflow )
GB518837A
(enrdf_load_stackoverflow )
GB488660A
(enrdf_load_stackoverflow )
GB491465A
(enrdf_load_stackoverflow )
GB487494A
(enrdf_load_stackoverflow )
GB438369A
(enrdf_load_stackoverflow )