GB783876A
(enrdf_load_stackoverflow )
US3306417A
(en )
1967-02-28
Keyboard mechanism for generating code with selectable code member sets
US2307669A
(en )
1943-01-05
Listing machine
GB643868A
(en )
1950-09-27
Typewriting machine
US2070785A
(en )
1937-02-16
Register
US2731197A
(en )
1956-01-17
Pin box control mechanism
GB648922A
(enrdf_load_stackoverflow )
US2221686A
(en )
1940-11-12
Calculating machine
GB741586A
(enrdf_load_stackoverflow )
GB709181A
(enrdf_load_stackoverflow )
GB545438A
(enrdf_load_stackoverflow )
US1150916A
(en )
1915-08-24
Calculating-machine.
US1150949A
(en )
1915-08-24
Adding-machine.
GB701905A
(enrdf_load_stackoverflow )
GB693659A
(enrdf_load_stackoverflow )
GB265134A
(enrdf_load_stackoverflow )
GB265135A
(enrdf_load_stackoverflow )
US1134958A
(en )
1915-04-06
Adding and recording machine.
GB191417079A
(en )
1915-07-19
Improvements in Calculating Machines.
GB783871A
(enrdf_load_stackoverflow )
GB735178A
(enrdf_load_stackoverflow )
GB413205A
(enrdf_load_stackoverflow )
1900-01-01
GB475550A
(enrdf_load_stackoverflow )
GB411291A
(enrdf_load_stackoverflow )
GB191204178A
(en )
1912-08-21
Improvements in Calculating Machines.