GB1055297A
(en )
1967-01-18
Improvements in or relating to calculating and accounting machines
CA1122147A
(en )
1982-04-20
Signal controlled indexing rate shifter for a typewriter
US3329336A
(en )
1967-07-04
Setting device to be operated by means
of keys destined for an adding or cal-
culating machine, a cash-register or
such-like device
GB823136A
(en )
1959-11-04
Proportional letter feed mechanism
US3482775A
(en )
1969-12-09
Simultaneous transfer mechanism for calculating machines
GB644091A
(cg-RX-API-DMAC10.html )
US3455429A
(en )
1969-07-15
Escapement mechanism for a carriage
ES345145A1
(es )
1968-11-16
Un dispositivo calculador y de presentacion de datos de justificacion.
US3140823A
(en )
1964-07-14
Arrangement for aligning ordinal elements for a division
US3564592A
(en )
1971-02-16
Totalizer aliner mechanism
US2827230A
(en )
1958-03-18
Ten key early entry and index retention mechanism
GB672642A
(en )
1952-05-21
Improvements in and relating to justifying typewriters
US2623693A
(en )
1952-12-30
Sensing means for record controlled sorting machines
US3645439A
(en )
1972-02-29
Mutual locking device for the keyboard of a calculating machine
US3603503A
(en )
1971-09-07
Automatic machine control device
US3526358A
(en )
1970-09-01
Value entering mechanism
US3420165A
(en )
1969-01-07
Print member actuators with lost motion coupling means
US4027763A
(en )
1977-06-07
Keyboard for office machines
GB398535A
(en )
1933-09-15
Improvements in or relating to tabulating machines
US2991008A
(en )
1961-07-04
goldberg
US2222681A
(en )
1940-11-26
Calculating machine
DE860418C
(de )
1952-12-22
Vorrichtung zum Verhindern von Faelschungen im Vorsteckverfahren
US3297246A
(en )
1967-01-10
Adding machine for systems not having uniform
DE1549321C
(de )
1972-10-26
Druckvorrichtung fur Rechner mit bogen formigen, bewegbaren Typensektoren
US3346178A
(en )
1967-10-10
Multiplicatixns in calculators