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DIGEST OF LITERATURE ON DI:CL:ECTRICS VOLUME XI 1947 Issued by Conference on Electrical Insulation National Research Council Correspondence regarding Conference registration and Conf erence publications shout: be addre s sed to Ditris on of Engineering and Industrial. Research National Research Council 2101 Constitution Ave. Washington 25, D. CO Jl
NATIONAL REstSt;JARCH COU`;JCI~ DIVISIQ'`< 0= E,`~-&I~TEERING ACID I)ID7JST~IAT P-ESEARCH Frederick Basil ~ Feiker, Chairman Harold h. Fork, Vice Chairman touts ~orda.n, Exec. Secretar~- CONFEP~EtiCE 0N ~,T,P,C,TRT~, AT , I!TSU~.,ATT,o~4 ._ ~ Chairman S. O. Morgan Bell Telephone Laboratories, I.~urr&y F:i7.i, N. J. vice Chairman: J. O. sash ~'Y''assacn~se+)ts Institute of Tech.nol ogy Oarr.'~rid~e 39 9 Mass ~ Secretary J. D. Piper Detroit Edison 5cmpany 2000 See clad Avenue Deal of' 28, ~.7icho Executive ~ ommittee Cha~rm= S. C!. ~s.~organ J. C. Balsbaugh A. It. ~` Person AT. D. Piper A. F. SLarbaugh Comr-.ittee on Chemist=- and Physics Chairman. A. T. IN cPherson Chief f Div. of Organic and Fibrous Gratis. Atonal -';ureau of Standards l`:fashi.ngton 25, D. C . Vice Chairman: A. H. Sharbaugh Research Taboratory Genera E] ectric Comrar~y Schenectady, N. Y. o. Ire Arnold ~ . i. rein ~ L. T. Serberich L. B. Loeb J. T. Blake ?. ).,QcDIahon R. F. Boyer A. 7.,. ~!ril3.er R. G. Preckenridge :~. i. Murphy SI. F. Busse Shepard Roberts F. A. Clark C. P. Smyth . ),,[5T. Lakin 'mans Thurnauer ' . P. Davey C. E. Trautrnan X. i. Ferzfeld A. von Fi Opel ;
FORLORN) This, the eleventh volume of the Digest of :Literat~ire or Dielectrics, covers the calendar year 39479 and it is hoped that it will set the pattern for the preparation of future issues of the Digest by calendar years. New chapters have been added to the Digest, this year to :!<ee~ pace ~i+,h new developments ire microwave phenomena, dielectric breakd.o~v-~, and instr'amentat~.on. The chapter on dielectric dispersion which constituted an im^portar~; part; of the early issues of the Digesi; leas now metamorphosed into a general and theoretical chapter which runs to considerable length in spite of the creation of the net' specialized chapters. Sem~-conductors and other subjects on the borderline of dielectrics, though of interest to many of our members, have been omitted because of the practical necessity of cor~f.inirl~ the score of the Digest to dielectrics proper. The manuscripts for this issue of the Digest~ere allmimeographed as received and were circulated for review by the Commi.ttee and the contributors. A number of suggestions and comments revere received and virtually all of than were taken into account by appropriate additions or corrections in the text. NO effort was made' however, lo develop uniformity of style or presentatior10 Each contributor was asked: to develop his subject in his own ways and to inch any background material necessary to the understanding of his subject by the reader faith only general knowledge of the field of dielectrics. The Vice-Chairman,, Dr. She.rbaugh, circularized the committee and contrib- utors for suggestions as to that they regarded as the important develo~nents of the year. He used the information thus obtained in the preparation of the statement on Dielectric Trends in 1947 Which gives a birdseye view of the progress fin the entire field and thereby serves as an appropriate introduction to this issue of the Digest. A. T I McPherson g Chairman CoIrmittee on Chemistry and Physics ashington9 D. C. July 22, 1948 ii
