text London Hutchinson's Scientific Technical Publications 1948 Ind vi, 302 p. : ill. ; 22 cm. vi, 302 p. : ill. ; 22 cm. Index: p. 294-302 SCIENTIFIC instruments SCIENCES INSTRUMENTS 5.002.56 5.002.56SCI INLIS000000000008802 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)