Analysis of information sources in references of the Wikipedia article "Punched card" in English language version.
The IBM 1402 Card Read-Punch provides the system with simultaneous punched-card input and output. This unit has two card feeds.
Master Card: The first card of a group containing fixed or indicative information for that group
The variable-length card feed feature on the 24 or 26 allows the processing of 51-, 60-, 66-, and 80-column cards (Figure 20)
After some initial trials with paper tape, he settled on punched cards...
Security checks issued starting in 1936 […](13 pages); Lubar, Steven (May 1991). "Do not fold, spindle or mutilate: A cultural history of the punch card". Smithsonian Institution. Archived from the original on 2006-08-30. (NB. An earlier version of this paper was presented to the Bureau of the Census's Hollerith Machine Centennial Celebration on 1990-06-20.)
1962: 20th year […] producing savings bonds […] 1964: $75 savings bond […] produce
Once the cards were assembled in order in a deck, the programmer would usually draw a long diagonal line across the top edges of the cards, so that if ever one got out of order it would easily be noticed
Edward Ziegler […] an editor at the Reader's Digest […] wrote a science fiction novel, The Man Whose Name Wouldn't Fit, under the pen name Theodore Tyler
Security checks issued starting in 1936 […](13 pages); Lubar, Steven (May 1991). "Do not fold, spindle or mutilate: A cultural history of the punch card". Smithsonian Institution. Archived from the original on 2006-08-30. (NB. An earlier version of this paper was presented to the Bureau of the Census's Hollerith Machine Centennial Celebration on 1990-06-20.)
At this early stage, the corresponding playback mechanism, the Mélotrope, was permanently installed inside the same harmonium used for the recording process, but by 1887 Carpentier had modified both devices, restricting the range to three octaves, allowing for the Mélotrope to be attached to any style of keyboard instrument, and designing and constructing an automatic perforating machine for mass production.
At the bottom of the bill, it said […] and Jane, in her anger, […]
Security checks issued starting in 1936 […](13 pages); Lubar, Steven (May 1991). "Do not fold, spindle or mutilate: A cultural history of the punch card". Smithsonian Institution. Archived from the original on 2006-08-30. (NB. An earlier version of this paper was presented to the Bureau of the Census's Hollerith Machine Centennial Celebration on 1990-06-20.)
1962: 20th year […] producing savings bonds […] 1964: $75 savings bond […] produce
Security checks issued starting in 1936 […](13 pages); Lubar, Steven (May 1991). "Do not fold, spindle or mutilate: A cultural history of the punch card". Smithsonian Institution. Archived from the original on 2006-08-30. (NB. An earlier version of this paper was presented to the Bureau of the Census's Hollerith Machine Centennial Celebration on 1990-06-20.)
