GB146893A
(enrdf_load_stackoverflow )
US2226960A
(en )
1940-12-31
Accounting machine
US1294507A
(en )
1919-02-18
Registering-machine.
US2364769A
(en )
1944-12-12
Accounting machine
US2692726A
(en )
1954-10-26
Calculating machine function
US2666574A
(en )
1954-01-19
Calculating machine having true
GB1197609A
(en )
1970-07-08
Improvements in or relating to Calculating Machines, Cash Registers or the like.
GB737050A
(en )
1955-09-21
Computing machine
US3007633A
(en )
1961-11-07
Total taking mechanism for crawl-carry accumulators
US2166067A
(en )
1939-07-11
Transfer mechanism
GB205870A
(en )
1923-10-24
Improvements in or relating to calculating machines
US2291949A
(en )
1942-08-04
Listing adding machine
GB635580A
(enrdf_load_stackoverflow )
GB438369A
(enrdf_load_stackoverflow )
GB606627A
(enrdf_load_stackoverflow )
US1285149A
(en )
1918-11-19
Adding-machine.
GB420807A
(enrdf_load_stackoverflow )
1900-01-01
GB612392A
(en )
1948-11-11
Improvements in or relating to accounting machines and similar calculating machines
GB753841A
(enrdf_load_stackoverflow )
GB749504A
(enrdf_load_stackoverflow )
GB748756A
(enrdf_load_stackoverflow )
1900-01-01
GB348105A
(enrdf_load_stackoverflow )
GB611539A
(en )
1948-11-01
Improvements in or relating to cash registers and similar accounting machines
GB417991A
(enrdf_load_stackoverflow )
1900-01-01
GB660615A
(enrdf_load_stackoverflow )