GB523532A
(en )
1940-07-17
Improvements in totalizers for calculating machines
US1197277A
(en )
1916-09-05
Number printing and punctuating mechanism.
GB428239A
(enrdf_load_stackoverflow )
GB497833A
(enrdf_load_stackoverflow )
US2287100A
(en )
1942-06-23
Calculating typing machine with a motor drive
GB533070A
(en )
1941-02-05
Improvements in or relating to justifying mechanism for typewriting machines
GB360824A
(en )
1931-11-05
Improvements in printing mechanism for adding machines
US2021618A
(en )
1935-11-19
Computing machine
US1693753A
(en )
1928-12-04
Computing machine
US1352593A
(en )
1920-09-14
Ribbon-shifting means for calculators
GB409101A
(enrdf_load_stackoverflow )
US2595020A
(en )
1952-04-29
Interlock between control members
US1302032A
(en )
1919-04-29
Combined type-writing and computing machine.
US1656672A
(en )
1928-01-17
Typewriting machine
US2935171A
(en )
1960-05-03
Remote controlled typewriter
GB190828253A
(en )
1909-12-28
Improvements in and relating to Mechanical Calculators.
GB191403084A
(en )
1915-02-04
Improvements in Adding Machines.
GB612392A
(en )
1948-11-11
Improvements in or relating to accounting machines and similar calculating machines
GB247624A
(en )
1926-02-16
Improvements relating to means for controlling the working conditions of printing adding machines
GB919998A
(en )
1963-02-27
Paper carriage control mechanism for accounting machines
GB348105A
(enrdf_load_stackoverflow )
GB749504A
(enrdf_load_stackoverflow )
GB362433A
(enrdf_load_stackoverflow )
GB608988A
(enrdf_load_stackoverflow )
GB190928898A
(en )
1910-03-29
Improvements in and relating to Printing Devices suitable for Mechanical Calculators.