Journal of the Franklin Institute, Volume 258Pergamon Press, 1954 Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-1859. cf. Index to v. 1-120 of the Journal, p. [415] |
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activity addition amplifier analysis application atmosphere beam building calculated cent chapters charge circuit Company complete contains continued cosmic ray curve designed determined developed direction discussion edition effect electric electron energy Engineering equations equipment experimental experiments field force Franklin Institute frequency functions give given heat important increase indicated industry interest John Laboratory less light machine magnetic material means measurements mechanism Medal metal method observed obtained operation particle Pennsylvania Philadelphia photographic physical positive possible practical present pressure Price problems produced radiation range record references reported Research Science shown shows solution speed standard stress surface Table temperature theory tion tube tunnel unit University voltage volume wave York