id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
crl-11710	Grove, Lee E.	Paper Deterioration-An Old Story	1964	10	.pdf	application/pdf	6793	250	55	In 1909 the preface to a Department of Ag- riculture report on papers for permanent records said: In view of the great value to mankind of the results of scientific research and discovery achieved and pub- lished in the various bureaus of the gov- ernment; and in view of the fact that the paper on which these results are now published is ·highly perishable [and in 1964 is obviously perishing], its life in many instances being only a few years, we urgently recommend that the neces- sary steps be taken to secure the printing on durable paper of at least part of the edition of each publication of lasting 11 Conference of Italian Librarians, Library Jour- nal, LXXIII (December 1898), 667. The more important of these, so far as concerns this country, may be noted in chronological order, thus: esparto, in the period 1860-70; 'mechanical wood' or ground wood pulp, in 1870-80; the wood celluloses, in the period 1880-90.13 After finding that such factors as illuminating gas, acidity in the instance of mid-century rag papers, and oxidation in the instance of mechan- ical wood pulp, were involved in dete- rioration, 14 the committee enumerated four classes, or qualities, of papermaking fibers and described specifications for book papers to be used in publications of presumably permanent value.	cache/crl-11710.pdf	txt/crl-11710.txt