Vintage Punch Card \"IBM 5081\" format manufactured by Pryor - 5 cards For Sale
![Vintage Punch Card \](img-large/g/neEAAOSwdjdZ~UF5/s-l1600/Vintage-Punch-Card-IBM-5081-format-manufactured-by.jpg "Vintage Punch Card \")
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Vintage Punch Card \"IBM 5081\" format manufactured by Pryor - 5 cards:
$5.99
Vintage \"IBM 5081\" format Punch Cards.This sale is for a group of 5 cards.Images show the actual cards you will receive.
(Ruler shown in one image is for scale and is not included in the sale.)Unused/unpunched cards
Card is made of stiff manila paper.
Front of the card has printing and the back is blank
Manufactured by Pryor.
Dates to the mid1980s to early 1990s.
About the IBM 5081 format Punch Card
Punch cards are used to contain digital information represented by the presence or absence of holes in predefined positions. The information might be data for data processing applications. Many early digital computers used punched cards, often prepared using keypunch machines, as the primary medium for input of both computer programs and data. These cards were commonly used in business, banking, government and academia. One of the most common punched card formats is the IBM 5081 card format, a general purpose layout with no field divisions. This format has digits printed on it corresponding to the punch positions of the digits in each of the 80 columns. Several card vendors manufactured cards with this same layout and number. This card format, introduced by IBM in 1928, has rectangular holes, 80 columns, and 12 rows with one character to each column. Card size is exactly 7 3⁄8 by 3 1⁄4 inches (187.325 mm × 82.55 mm). The cards are made of smooth stiff stock, 0.007 inches (180 µm) thick. About 143 stacked cards make an inch (56/cm). In 1964, IBM changed from square to round corners.
Ideal gift for someone interested in the history of computers or collector of vintage computer equipment or accessories.
