GB712751A
(enrdf_load_stackoverflow )
GB727100A
(enrdf_load_stackoverflow )
GB909935A
(en )
1962-11-07
Calculating or similar accounting machine
US2651462A
(en )
1953-09-08
Item, total, and repeated registration control mechanism
GB650357A
(en )
1951-02-21
Differential setting mechanism for cash registers or similar accounting machines
US2994474A
(en )
1961-08-01
fleming
GB190906428A
(en )
1910-03-17
Improvements in Cash Registers or Accounting Machines.
GB732760A
(enrdf_load_stackoverflow )
US1150916A
(en )
1915-08-24
Calculating-machine.
US1864193A
(en )
1932-06-21
Calculating machine
GB389630A
(enrdf_load_stackoverflow )
1900-01-01
GB265134A
(enrdf_load_stackoverflow )
US3331554A
(en )
1967-07-18
Calculating machine
US2995299A
(en )
1961-08-08
Gang ettal
GB516693A
(enrdf_load_stackoverflow )
GB445540A
(enrdf_load_stackoverflow )
GB712750A
(en )
1954-07-28
Improvements in or relating to calculating machines
GB191416001A
(en )
1914-08-17
Improvements in Calculating Machines.
GB190518341A
(en )
1906-07-05
Combined Typewriting and Adding Machine.
GB341435A
(en )
1931-01-09
Improvements in calculating machines
GB191512527A
(en )
1916-10-02
Improvements in or relating to Adding or like Machines.
GB710891A
(enrdf_load_stackoverflow )
GB191214777A
(en )
1912-11-07
Improvements in or relating to Adding or like Machines.
GB295632A
(enrdf_load_stackoverflow )
GB191421089A
(en )
1915-09-30
Improvements in or relating to Calculating Machines.