00792cam a22002651 4500 6932031 BD-DhUL 20141216145852.0 730130s1945 nyua 000 0 eng 45001404 (OCoLC)547848 DLC ODaWU OCoLC DLC BD-DhUL premarc QH211 .H37 578.15 HAS Hawley, Gessner Goodrich. 1905- Seeing the invisible : the story of the electron microscope / by Gessner G. Hawley. New York : A.A. Knopf. c1945. xv, 195 p. : 19 cm. ill. ; "First edition." Includes index. Electron microscopes. 7 cbc oclcrpl u ncip 19 y-gencatlg ddc BK 22579 22579 0 0 ddc 0 578_150000000000000_HAS 0 NFIC 43612 DUSL DUSL GEN 1946-12-12 578.15 HAS 48519 2014-12-16 2014-12-16 BK