id author title date pages extension mime words sentence flesch summary cache txt crl-12590 Veaner, Allen B. Auerbach on Microfilm Readers/Printers (Book Review) 1974-01-01 2 .pdf application/pdf 1380 68 54 The considerations of the preceding para- graph demonstrate a significant property of dove prisms: Object lines perpendicular to the base surface of the prism will ap- pear to be rotated 180 degrees by the prism, whereas object lines parallel to sur- face will not appear to be rotated. Auerbach could have performed a real service for readers (human, that is) by put- ting together a chapter summarizing the human and design problems associated with building microform viewers. cache/crl-12590.pdf txt/crl-12590.txt