GB728580A
(fr )
1900-01-01
GB280891A
(en )
1928-01-26
Improvements relating to calculating machines
GB1105728A
(en )
1968-03-13
Key-operated electric circuit controller
GB517202A
(en )
1940-01-23
Improvements in push-button switches
GB191115221A
(en )
1912-06-27
Improvements in Cash Registers.
GB121508A
(en )
1918-12-16
Improvements in or relating to Keyboards for Typewriters.
US2055623A
(en )
1936-09-29
Calculating machine
GB191517792A
(en )
1916-12-14
Improvements in and relating to Calculating Machines.
GB191019976A
(en )
1911-08-24
Improvements in Cash Registers and Autographic Devices therefor.
SU117227A1
(ru )
1957-11-30
Многоклавишна клавиатура дл счетных машин
GB168537A
(en )
1921-09-08
Improvements relating to means for holding in close contact a movable truck and stationary cubicle of an electric switchboard or other relatively movable members
GB795089A
(en )
1958-05-14
Improvements in or relating to push-button switch assemblies for wireless sets and the like
GB190204667A
(en )
1903-01-15
Improvements in or relating to Type Setting Machines.
GB189900449A
(en )
1899-11-25
An Improved Method of Controlling Certain of the Stops and Couplers in an Organ.
GB191019211A
(en )
1911-08-16
Improvements relating to Calculating Machines.
GB199564A
(en )
1923-06-28
Improvements in press-button switches for electrical circuits
GB1335057A
(en )
1973-10-24
Calculating machines
GB191313332A
(en )
1914-06-09
Improvements in the Mechanism for Shifting the Paper Roller in Typewriters.
GB190710428A
(en )
1908-01-30
Improvements in or relating to Cash Registering Tills.
GB191424412A
(en )
1915-08-26
Improvements in and relating to Calculating Machines.
GB851509A
(en )
1960-10-19
Improvements in or relating to electric switch mechanisms
GB1201658A
(en )
1970-08-12
Improvements in or relating to press-button switches
GB191219273A
(en )
1913-03-13
Improvements in the Keyboards and Connecting Members of Calculating Machines.
GB191315006A
(en )
1914-03-05
Improvements in or relating to Copying and like Presses.
GB934746A
(en )
1963-08-21
A keyboard assembly for a cash register or similar accounting machine