GB223895A
(enExample )
US3053442A
(en )
1962-09-11
Movable stop devices for calculating machines
US2951572A
(en )
1960-09-06
Repeat actuation mechanism for business machines
GB473624A
(enExample )
US3482775A
(en )
1969-12-09
Simultaneous transfer mechanism for calculating machines
GB243647A
(enExample )
GB982721A
(en )
1965-02-10
Adding machine
GB191417079A
(en )
1915-07-19
Improvements in Calculating Machines.
US3000486A
(en )
1961-09-19
Ciphering machine
GB589653A
(enExample )
GB190826763A
(en )
1909-12-09
Improvements in Apparatus for Adding or Calculating.
GB191009878A
(en )
1910-10-06
Improvements in Permutation-locks.
GB1345592A
(en )
1974-01-30
Keyboard control unit
US4120593A
(en )
1978-10-17
Line-spacing system for printing office machines
SU528891A3
(ru )
1976-09-15
Счетное наборное устройство
GB191015626A
(en )
1911-04-06
Improvements in or relating to Apparatus for Making Perforated Bands for Automatically Setting Type.
GB301396A
(enExample )
US1033928A
(en )
1912-07-30
Printing mechanism for cash-registers or like machines.
GB156997A
(enExample )
GB124692A
(enExample )
GB217107A
(enExample )
GB294468A
(enExample )
GB344393A
(enExample )
GB370662A
(enExample )
GB190921023A
(en )
1910-03-03
Improvements in and connected with Calculating Machines.