US3236352A
(en )
1966-02-22
Keyboard operated automatic marking machine
GB224290A
(enExample )
GB362529A
(en )
1931-12-10
Improvements in or relating to punching machines for perforating statistical record cards
US1987742A
(en )
1935-01-15
Keyboard clutch
US3001694A
(en )
1961-09-26
Punching apparatus
US1994949A
(en )
1935-03-19
Telegraph transmitting apparatus
US2833209A
(en )
1958-05-06
Consecutive number printer
US2279161A
(en )
1942-04-07
Printing telegraph record form
US1288910A
(en )
1918-12-24
Manually-controlled machine for printing and issuing differentiated tickets and recording the issue thereof.
GB1315356A
(en )
1973-05-02
Data recorders
US2701522A
(en )
1955-02-08
Mechanism for stamping and feeding a paper tape
US1763163A
(en )
1930-06-10
Automatic visible-card perforator
US2750880A
(en )
1956-06-19
Ticket issuing machine
US2682308A
(en )
1954-06-29
Indicia applying machine with matrix locating device
US660250A
(en )
1900-10-23
Workman's time-recorder.
GB300458A
(en )
1928-11-15
Stamping apparatus for receipting, endorsing and the like
GB683691A
(enExample )
US1965975A
(en )
1934-07-10
Gang punch
US1215683A
(en )
1917-02-13
Time-recording register.
US2969432A
(en )
1961-01-24
Non-interfering tape feed-out mechanism
GB190720001A
(en )
1908-03-19
Improvements in Workmen's and like Time Recorders.
DE1549668C
(de )
1972-11-09
Datenübertragungsgerät
GB807509A
(enExample )
GB700112A
(en )
1953-11-25
Improvements in or relating to embossing machines for producing printing plates
GB562088A
(enExample )