GB217107A
(enrdf_load_stackoverflow )
US2872862A
(en )
1959-02-10
Symbol printing mechanisms in listing calculating machines and the like
US2728438A
(en )
1955-12-27
Line spacing mechanism for typewriting or like machines
GB900486A
(en )
1962-07-04
A motor-driven typewriting office machine
US2763357A
(en )
1956-09-18
Reversible page feed mechanism
US2070785A
(en )
1937-02-16
Register
GB1064940A
(en )
1967-04-12
Zero printing control device for a calculating machine
GB181664A
(enrdf_load_stackoverflow )
GB982721A
(en )
1965-02-10
Adding machine
GB294468A
(enrdf_load_stackoverflow )
US1886730A
(en )
1932-11-08
Printing press
GB823136A
(en )
1959-11-04
Proportional letter feed mechanism
GB1088709A
(en )
1967-10-25
Margin setting device for a typewriter
GB109683A
(en )
1917-09-27
Improvements in and relating to Platen-operating Mechanism for Typewriting Machines and the like.
GB191120596A
(en )
1912-09-05
Improvements in Printing Mechanism for Adding Machines.
GB693659A
(enrdf_load_stackoverflow )
GB749379A
(en )
1956-05-23
Improvements in or relating to apparatus for controlling the movement of an angularly movable type-carrying member
GB172917A
(enrdf_load_stackoverflow )
GB608989A
(en )
1948-09-23
Improvements in calculating machines
GB642090A
(en )
1950-08-30
Keyboard impulse transmitter for step-by-step printing telegraph
GB701905A
(enrdf_load_stackoverflow )
GB191223501A
(en )
1913-05-01
Improvements in Computing Machines.
GB758842A
(en )
1956-10-10
Improvements in or relating to numbering machines
GB657604A
(en )
1951-09-19
Improvements in or relating to accounting and similar calculating machines
GB191416001A
(en )
1914-08-17
Improvements in Calculating Machines.