GB430745A
(enrdf_load_stackoverflow )
US2087182A
(en )
1937-07-13
Listing adding machine
US2754052A
(en )
1956-07-10
Capellaro
US3281069A
(en )
1966-10-25
Credit balance transfer mechanism for ten-key
adding and subtracting machine
US2261341A
(en )
1941-11-04
Adding and listing machine
US2243150A
(en )
1941-05-27
Calculating machine
GB479234A
(enrdf_load_stackoverflow )
1900-01-01
US2429522A
(en )
1947-10-21
Transfer mechanism for calculating
US3072329A
(en )
1963-01-08
Control for motor operated business machines
GB469028A
(enrdf_load_stackoverflow )
US2749033A
(en )
1956-06-05
Latour
GB650357A
(en )
1951-02-21
Differential setting mechanism for cash registers or similar accounting machines
US2199253A
(en )
1940-04-30
Transfer mechanism for key-set
US3476313A
(en )
1969-11-04
Calculating machine with short cut multiplication
US3039680A
(en )
1962-06-19
Cash registers
GB518840A
(enrdf_load_stackoverflow )
GB265208A
(en )
1927-06-30
Improvements in or relating to cash registers of the key-set and key-operated type
US3197133A
(en )
1965-07-27
Printing calculating machine or the like
GB709181A
(enrdf_load_stackoverflow )
US3040977A
(en )
1962-06-26
Function control mechanism for manual adding machines
GB722701A
(enrdf_load_stackoverflow )
GB478432A
(enrdf_load_stackoverflow )
GB750400A
(enrdf_load_stackoverflow )
GB741039A
(en )
1955-11-23
Calculating machine
GB368311A
(enrdf_load_stackoverflow )