id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
2925	Chapin, Richard E.; Pretzer, Dale H.	Comparative Costs of Converting Shelf List Records to Machine Readable Form	1968-03-01	9	.pdf	application/pdf	3206	339	72	different methods of conversion: keypunching, paper-tape typeW1·iting, The record converted included call number, copy number, first 39 letters of the author's name, were scanned electronically and converted to magnetic tape; Johns Hopkins, working from microfilm copy of the shelf list, used special type font Cost figures for converting library records are scarce. The Johns Hopkins conversion of "about 300,000 · cards" was accomplished by optical scanning and cost $18,170 (3,p.4). available to most research libraries: keypunching, paper-tape typewriting, The shelf list records of the Michigan State University Library were method recorded the bibliographic data by use of an IBM 026 keypunch. In the conversion keypunching cost 6.63 cents per record. Average Cost Per Shelf List Record Converted Costs of Shelf List Conversion/ CHAPIN and PRETZER 73 Costs of Shelf List Conversion/ CHAPIN and PRETZER 73 conversion, at a cost of 6 or 7 cents a record, then the library cannot 	./cache/2925.pdf	./txt/2925.txt