Inevitably if that was a chadless
card punch all other
card punches produced 'chad'.
In 1895, Gore installed at Prudential a key-operated
card punch and electro-mechanical sorter of his own invention and his brother-in-law's construction.(23) His sorting device used a radial configuration quite different from Hollerith's contemporary or future designs to sort specially designed cards (incompatible with those used by Hollerith) at a rate of 250 cards per minute, much faster than Hollerith's sorting box.
Optimised protocols are provided for reference, database and paternity testing for a variety of sample types, including FTA
card punches, non-FTA punches and swabs.
Discs of
card punched out by the machines, known as chads, were at the heart of the disputed ballot.
For the automated punch investigation, 7 x 3.2 mm discs were excised per spot ([+ or -] 75 [micro]l) from 202 samples and a clean
card punched between each sample.
Logistics executives have had their
card punched in operations and tactical management; being a supply chain executive requires a broader view of the enterprise.
Each time a customer spends an increment of money, they get their
card punched. When the card is filled, they get a free item.
From the time she had begun working for us, getting her management
card punched was a major career step.
* Even with line printers and
card punches, only the required number of characters need be transferred.
Fifty years ago, IBM were making typewriters and
card punches. Now, they make a cutting edge computer technology for export around the world.