Journal of the Franklin Institute, Volume 252Pergamon Press, 1951 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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Page 68
Franklin Institute (Philadelphia, Pa.) ATOMIC STANDARDS OF LENGTH NOW AVAILABLE The availability to science and industry of an ultimate standard of length was announced recently by the National Bureau of Standards and the Atomic Energy ...
Franklin Institute (Philadelphia, Pa.) ATOMIC STANDARDS OF LENGTH NOW AVAILABLE The availability to science and industry of an ultimate standard of length was announced recently by the National Bureau of Standards and the Atomic Energy ...
Page 69
... atomic weight is so sharply defined , accuracies of measurement heretofore impossible can be obtained . Although the world's official primary standard of length is still the distance between two lines on a metal bar , practically all ...
... atomic weight is so sharply defined , accuracies of measurement heretofore impossible can be obtained . Although the world's official primary standard of length is still the distance between two lines on a metal bar , practically all ...
Page 454
... atomic bomb , was , I believe , first clearly appreciated in England . We realised that uranium 235 was likely to have the properties convenient for an atomic bomb and that , if this were the case , the expense of separating it from ...
... atomic bomb , was , I believe , first clearly appreciated in England . We realised that uranium 235 was likely to have the properties convenient for an atomic bomb and that , if this were the case , the expense of separating it from ...
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airfoils Angle of Attack application Area 6 sq atomic BIPLANE bottom boundary value problems Brown wrapping paper Bureau Camber cent chapters charge Chord Company concrete contact potential coordinate cos² cosh curve cylinder Dayton Wright developed distribution electric electrons engineering equipment field film foot valve Franklin Institute function Graph Helmholtz equation humidity hydraulic hydrazine industry interflectance inversion ionosphere Laboratories Laplace transform Laplace's equation Lift light luminaires magnetic material mathematical measurements mechanism Metal Model method multiple transform obtained operation Orville Wright partial differential equation pharosage plate problems produced pulse Section sin² sinh slow discharge Span 18 Superposed surface Table temperature Test block theory tion tremie pipe tube valve variables waveforms Wax Model Wax on Metal Wind Tunnel Wind Tunnel Test Wing wire μ²