GB301396A
(enrdf_load_stackoverflow )
US2247938A
(en )
1941-07-01
Calculating machine
US2710139A
(en )
1955-06-07
Swanson
US2431714A
(en )
1947-12-02
Selective printing and punching machine
US3057549A
(en )
1962-10-09
wagemann
US2581624A
(en )
1952-01-08
Early factor mechanism
US2992773A
(en )
1961-07-18
Multiplication mechanism for adding machines
US2459441A
(en )
1949-01-18
Computing machine
US1939804A
(en )
1933-12-19
Combined adding machine and typewriter
US1773026A
(en )
1930-08-12
For calculators
US2987243A
(en )
1961-06-06
Read-in decoding translator for lister calculators
US3281069A
(en )
1966-10-25
Credit balance transfer mechanism for ten-key
adding and subtracting machine
US2749033A
(en )
1956-06-05
Latour
US2520070A
(en )
1950-08-22
Accounting machine
US3370788A
(en )
1968-02-27
Program control device for a calculating or like machine
US2063740A
(en )
1936-12-08
Calculating machine
US3374946A
(en )
1968-03-26
Computer for multiplication with abbreviated,continual addition or subtraction
US2046329A
(en )
1936-07-07
Calculating machine
US1182975A
(en )
1916-05-16
Cash and credit register.
GB191109563A
(en )
1912-06-19
Improvements in and relating to Multiplying Arrangements for Calculating Machines.
GB721535A
(enrdf_load_stackoverflow )
US2225484A
(en )
1940-12-17
Combined typewriting and computing machine
US1030975A
(en )
1912-07-02
Calculating-machine.
US2746676A
(en )
1956-05-22
Predetermined value
GB686524A
(enrdf_load_stackoverflow )