Hole punch - Wikipedia
A hole punch most commonly refers to an office tool that is used to create holes in
sheets of paper, often for the purpose of collecting the ...
Chad (paper) - Wikipedia
Pouring chads from a jar at the Computer History Museum. Asymmetrical chad
produced by a railroad ticket punch. Chad refers to fragments sometimes created
when holes are made in a paper, card or similar ...
Punched tape - Wikipedia
The large holes on each edge are sprocket holes, used to pull the paper ... Paper
tapes constructed from punched cards were widely used ...
Punched card - Wikipedia
Charles Babbage proposed the use of "Number Cards", "pierced with certain
holes and stand opposite levers connected with a set of ...
Punch (tool) - Wikipedia
A punch is a hard metal rod with a shaped tip at one end and a blunt butt end at
the other, ... The tapered end of a drift punch is placed into the semi-aligned bolt
holes of two separate components, and then driven .... Read · Edit · View history ...
Ticket punch - Wikipedia
A ticket punch (or control nippers) is a hand tool for permanently marking
admission tickets and similar items of paper or card stock. It makes a perforation
and a corresponding chad. A ticket punch resembles a hole punch, differing in
that the ticket punch has ... Views. Read · Edit · View history ...
Punching - Wikipedia
Punching is a metal forming process that uses a punch press to force a tool,
called a punch, through the workpiece to create a hole via shearing. The punch
often passes through the work into a die. A scrap slug from the hole is deposited
into the die in the process. .... Views. Read · Edit · View history ...
Ring binder - Wikipedia
Ring binders are large folders that contain file folders or hole punched papers.
These are held ... Contents. [hide]. 1 History; 2 Variations; 3 Gallery; 4 See also; 5
References; 6 External links ...
Herman Hollerith - Wikipedia
Herman Hollerith (February 29, 1860 – November 17, 1929) was an American
inventor who developed an electromechanical punched card tabulator to ... For
example, if a specific hole location indicates marital status, then a hole there can
indicate married .... For more on Punched card history, technology, see: Unit
Punch list - Wikipedia
A punch list is a document prepared near the end of a construction project listing
work not ... The phrase takes its name, under one hypothesis, from the historical
process of punching a hole in the margin of the document, next to one of the ...
Computer programming in the punched card era - Wikipedia
From the invention of computer programming languages up to the mid-1970s,
many if not most ... printed or punched output, typically to one of a set of
alphabetically labelled cubby holes, based on the programmer's last initial. ...
Columbia University Computing History: The Columbia University Self Service
Fallstreak hole - Wikipedia
A fallstreak hole is a large gap, usually circular or elliptical, that can appear in
cirrocumulus or ... "Aircraft-Induced Hole Punch and Canal Clouds: Inadvertent
Cloud Seeding". Bulletin of the American ... Views. Read · Edit · View history ...