US1016276A
(en )
1912-02-06
Adding and listing machine.
GB285885A
(enrdf_load_stackoverflow )
US2285311A
(en )
1942-06-02
Accounting machine
US1294704A
(en )
1919-02-18
Elimination and special-signal mechanism.
GB497640A
(enrdf_load_stackoverflow )
US2614749A
(en )
1952-10-21
Totalizer actuator control mechanism
US2809782A
(en )
1957-10-15
fleming
US2710140A
(en )
1955-06-07
anderson
US1647529A
(en )
1927-11-01
Total and subtotal mechanism
GB474938A
(enrdf_load_stackoverflow )
GB417991A
(enrdf_load_stackoverflow )
1900-01-01
GB348105A
(enrdf_load_stackoverflow )
GB732760A
(enrdf_load_stackoverflow )
GB539453A
(enrdf_load_stackoverflow )
GB499027A
(enrdf_load_stackoverflow )
GB191116077A
(en )
1912-07-11
Improvements in or relating to Adding and Listing Machines.
GB749504A
(enrdf_load_stackoverflow )
GB389630A
(enrdf_load_stackoverflow )
1900-01-01
GB427722A
(enrdf_load_stackoverflow )
GB395688A
(enrdf_load_stackoverflow )
GB191219273A
(en )
1913-03-13
Improvements in the Keyboards and Connecting Members of Calculating Machines.
GB144365A
(enrdf_load_stackoverflow )
GB454463A
(enrdf_load_stackoverflow )
GB608694A
(enrdf_load_stackoverflow )
GB483086A
(enrdf_load_stackoverflow )