The Cryogenic Data Center
As a result of the rapid increase of technical literature in general and the exceptionally rapid growth of the cryogenic field in particular, ordinary library techniques have become inadequate for rapid retrieval of specific information. A number of storage and retrieval systems [1–4] have been devised for large-scale handling of specialized technical literature. Manual punch cards have been found suitable for up to 10,000 to 20,000 listings, using either a library type of classification system or a “descriptor” alignment system [5,6].Machine handling methods using punch cards, punched tape, and/or magnetic tape have been developed for handling up to 1,000,000 listings and more. All these systems are relatively new and are rapidly being developed and improved.
KeywordsTechnical Literature Alignment System Punch Card Cryogenic Fluid Code Sheet
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