GB783871A
(enrdf_load_stackoverflow )
US2121683A
(en )
1938-06-21
Calculating machine
US2298202A
(en )
1942-10-06
Listing calculator
US2731197A
(en )
1956-01-17
Pin box control mechanism
US2285311A
(en )
1942-06-02
Accounting machine
US2256799A
(en )
1941-09-23
Calcoating machine
US2070785A
(en )
1937-02-16
Register
US1028149A
(en )
1912-06-04
Adding-machine.
GB783872A
(enrdf_load_stackoverflow )
GB608989A
(en )
1948-09-23
Improvements in calculating machines
US965410A
(en )
1910-07-26
Adding and listing machine.
US1016308A
(en )
1912-02-06
Adding and listing machine.
GB499027A
(enrdf_load_stackoverflow )
GB483086A
(enrdf_load_stackoverflow )
GB474938A
(enrdf_load_stackoverflow )
GB191403083A
(en )
1915-02-05
Improvements in Adding Machines.
GB423169A
(en )
1935-01-24
Improvements in or relating to calculating and the like machines
US1150949A
(en )
1915-08-24
Adding-machine.
US2809782A
(en )
1957-10-15
fleming
GB484821A
(enrdf_load_stackoverflow )
GB191021412A
(en )
1911-01-19
Improvements in or relating to Transfer Mechanism for Calculating Machines.
GB191311823A
(en )
1914-03-05
Improvements in and relating to Adding and Listing Machines.
GB424420A
(enrdf_load_stackoverflow )
1900-01-01
GB191219274A
(en )
1913-04-03
Improvements in Calculating Machines.
GB783876A
(enrdf_load_stackoverflow )