US1016276A
(en )
1912-02-06
Adding and listing machine.
GB285885A
(cg-RX-API-DMAC7.html )
US2285311A
(en )
1942-06-02
Accounting machine
US1913510A
(en )
1933-06-13
Calculating machine
US1294704A
(en )
1919-02-18
Elimination and special-signal mechanism.
GB497640A
(cg-RX-API-DMAC7.html )
US2614749A
(en )
1952-10-21
Totalizer actuator control mechanism
US3383036A
(en )
1968-05-14
Arrangement for positioning the decimal point in calculating machines
US2809782A
(en )
1957-10-15
fleming
GB420807A
(cg-RX-API-DMAC7.html )
1900-01-01
GB474938A
(cg-RX-API-DMAC7.html )
GB417991A
(cg-RX-API-DMAC7.html )
1900-01-01
GB348105A
(cg-RX-API-DMAC7.html )
GB241213A
(cg-RX-API-DMAC7.html )
GB732760A
(cg-RX-API-DMAC7.html )
GB539453A
(cg-RX-API-DMAC7.html )
GB499027A
(cg-RX-API-DMAC7.html )
GB191116077A
(en )
1912-07-11
Improvements in or relating to Adding and Listing Machines.
GB749504A
(cg-RX-API-DMAC7.html )
GB395688A
(cg-RX-API-DMAC7.html )
GB191219273A
(en )
1913-03-13
Improvements in the Keyboards and Connecting Members of Calculating Machines.
GB144365A
(cg-RX-API-DMAC7.html )
GB454463A
(cg-RX-API-DMAC7.html )
GB608694A
(cg-RX-API-DMAC7.html )
GB483086A
(cg-RX-API-DMAC7.html )