00927cam a22002891 4500 9279136 BD-DhUL 20141030092839.0 750908s1946 nyuaf b 000 0 eng 46005120 (OCoLC)1609575 DLC ODaWU OCoLC MnU DLC BD-DhUL premarc QC595 .H4 548.8 HEQ Heising, Raymond Alphonsus, 1888- comp. Quartz crystals for electrical circuits, their design and manufacture, by Raymond A. Heising ... New York, D. Van Nostrand company, inc., 1946. vii, 563 p. illus., pl., diagrs. 24 cm. Articles by various authors. Bibliography: p. 410-411. Quartz. Pyroelectricity. Oscillators, Electric. 7 cbc oclcrpl u ncip 19 y-gencatlg ddc BK 17234 17234 0 0 ddc 0 548_800000000000000_HEQ 0 NFIC 32509 DUSL DUSL GEN 2014-10-30 548.8 HEQ 49760 2014-10-30 2014-10-30 BK