Gates Mills: William G. Berner, [co. 1944].
Frontispiece and illustrations, diagrams. Pp. 175. 1 vols. 8vo. Original brown cloth gilt, original dust jacket. Rubbed, gilt has oxydized, some soiling of cloth, light discoloration of endpapers, some light browning and short marginal tears to jacket, else very good. Item #35328
Crehore was the inventor of the “Polarizing Photo-chronography,” (measures short intervals of time) of the “Synchronography (with G. O. Squier) which was used for high and low speed telegraphy, of the “Micrograph” which recorded heard actions and the “Interferometer Barography” which stydies waves of pressure in the atmosphere. He had long done research in the field of atomic physics.
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