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THE USE OF NOTCHES IN CARDS AS A MEANS OF SIGNALLING INFORMATION

THE USE OF NOTCHES IN CARDS AS A MEANS OF SIGNALLING INFORMATION It has often seemed to the writer that more use might be made of the upper edges of catalogue cards for signalling information about the works covered. Together these edges form a nearly plane surface, yet this is unused. Coloured signals have been used, it is true, but they interlock, slip, and pad out the card record the last fault alone debars them from use in a file of any size. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Documentation Emerald Publishing

THE USE OF NOTCHES IN CARDS AS A MEANS OF SIGNALLING INFORMATION

Journal of Documentation , Volume 9 (4): 2 – Apr 1, 1953

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0022-0418
DOI
10.1108/eb026198
Publisher site
See Article on Publisher Site

Abstract

It has often seemed to the writer that more use might be made of the upper edges of catalogue cards for signalling information about the works covered. Together these edges form a nearly plane surface, yet this is unused. Coloured signals have been used, it is true, but they interlock, slip, and pad out the card record the last fault alone debars them from use in a file of any size.

Journal

Journal of DocumentationEmerald Publishing

Published: Apr 1, 1953

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