## Journal of the Franklin Institute, Volume 248Pergamon Press, 1949 |

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Page 19

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**cross section**and for every instant of time . = The material properties are defined by the density , p , and the stress- strain characteristics , p = f ( e ) . A**cross section**is identified by its distance x from one reference**cross section**...Page 31

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**cross section**is the velocity history , Fig . 5 ( h ) , giving the velocity for the**cross section**for all instants of time . Forming the integral of the history curve : v dt gives the history of displacement , Fig . 5 ( i ) , for the x1 ...Page 46

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**cross section**and material but it is com- posed of portions having different**cross sections**, or of materials of different elastic properties then at the**cross sections**at which the change is located the disturbance wave will also ...### Contents

EDITOR HENRY BUTLER ALLEN MET E D Sc Sc D | 104 |

History of Power Transmission | 192 |

71 | 315 |

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analysis application approximation atomic Benjamin Franklin Parkway bi-linear BINAC cent chapters circuit Committee concepts condenser constant cooling cross section crystal curve deformation determined developed device displacement elastic limit electrical electron energy engineering equations field fingers fluid Franklin Institute function germicidal germicidal lamps heat Home Row hurdles idonic illustrations impact increase instrument integral curve J. J. Thomson Key Groups laboratory Laplace transform length Leyden jar load machine magnetic material mathematical maximum measured mechanical Medal metal method MINIMOTION keyboard NALLE obtained operation oscillator paper particles Philadelphia physical plastic present pressure problems produced pulse QWERT YUIOP keyboard range ratio resistance shown in Fig solution speed spores Stereogram strain stress-strain strokes surface Table temperature theory tion tube typewriter typewriter keyboards unit v-p diagram vacuum vapor velocity viscosity voltage volume wave workhardening