id author title date pages extension mime words sentence flesch summary cache txt crl-10414 Perry, James W. Chemists and Librarians 1949-01-01 5 .pdf application/pdf 2874 132 52 The possibilities inherent in new devices are best understood by first directing atten- tion to ·those mechanical devices which- like the straight-edge and compass of classi- cal geometry-have been the conventional tools of information work. It is not generally realized that the introduction of newer devices into information work opens up possibilities which we can exploit fully only if we are willing to devote con- siderable time and effort to re-examining the basic problems involved and to working out new solutions. cache/crl-10414.pdf txt/crl-10414.txt