GB561758A
(en )
1944-06-02
Improvements in or relating to magnetic recording apparatus
GB460269A
(https= )
US2935935A
(en )
1960-05-10
Printing mechanism
GB463360A
(en )
1937-03-30
Printing device, especially for record card controlled machines
US3623429A
(en )
1971-11-30
Hammer lever construction for flying printer
GB1056302A
(en )
1967-01-25
A selector mechanism for moving the type body of an electrically controlled printer
US2080519A
(en )
1937-05-18
Cash register
US2121967A
(en )
1938-06-28
Cash register
US3420163A
(en )
1969-01-07
Numbering arrangement for selective printing machines
US3512175A
(en )
1970-05-12
Elapsed time recorder
US1688364A
(en )
1928-10-23
Automatic typewriter
GB713695A
(https= )
1900-01-01
US3144822A
(en )
1964-08-18
Symbol printing control for accounting machines
GB735181A
(en )
1955-08-17
Rotary duplicating machines and methods of printing therefrom
GB169750A
(https= )
GB1055142A
(en )
1967-01-18
Improvements in or relating to duplicating and like printing machines
GB881323A
(https= )
GB937146A
(en )
1963-09-18
Data-marking machine
GB551994A
(https= )
GB397893A
(https= )
US1761572A
(en )
1930-06-03
Certificate of correction
GB398805A
(https= )
GB709018A
(en )
1954-05-12
Paper feeding mechanism in adding machines or the like
GB183867A
(en )
1922-07-26
Improvements relating to apparatus for compiling and printing statistics from perforated record cards
GB831267A
(en )
1960-03-23
Improvements in or relating to rotary duplicating machines