The Mechanical Principles of Engineering and ArchitectureJ. Wiley, 1875 - 699 стор. |
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Сторінка vi
... whom I have also tc express my warm acknowledgments for the care with which he has corrected the proof sheets whilst going through the press . May 1855 PREFACE . In the following work , I have proposed vi PREFACE TO THE SECOND EDITION .
... whom I have also tc express my warm acknowledgments for the care with which he has corrected the proof sheets whilst going through the press . May 1855 PREFACE . In the following work , I have proposed vi PREFACE TO THE SECOND EDITION .
Сторінка viii
... not , the space is understood to be so small , that the direction of the pressure may be supposed to remain parallel to itself whilst that space is described . than the aggregate work of those which tend to retard viii PREFACE .
... not , the space is understood to be so small , that the direction of the pressure may be supposed to remain parallel to itself whilst that space is described . than the aggregate work of those which tend to retard viii PREFACE .
Сторінка ix
... whilst the work is being done upon it . In no respect have the labours of the illustrious president of the Academy of Sciences more con- tributed to the development of the theory of machines than in the application which he has so ...
... whilst the work is being done upon it . In no respect have the labours of the illustrious president of the Academy of Sciences more con- tributed to the development of the theory of machines than in the application which he has so ...
Сторінка x
... whilst it operates in a machine , first , into that which overcomes the prejudicial resistances of the machine , or those which are opposed by friction and other causes , uselessly absorbing the work in its transmission . Secondly ...
... whilst it operates in a machine , first , into that which overcomes the prejudicial resistances of the machine , or those which are opposed by friction and other causes , uselessly absorbing the work in its transmission . Secondly ...
Сторінка 10
... whilst the side OD , which completes that polygon , represents the resultant of those pressures in magnitude and direction . If , therefore , the pressures P ,, P ,, P. , P. , P. , be in equili brium , so that they have no resultant ...
... whilst the side OD , which completes that polygon , represents the resultant of those pressures in magnitude and direction . If , therefore , the pressures P ,, P ,, P. , P. , P. , be in equili brium , so that they have no resultant ...
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Загальні терміни та фрази
a₁ angle of resistance angular velocity axes axis beam body bordering upon motion centre of gravity circumference co-efficient compression conical surfaces corresponding crank crank arm cubic foot curve cylinder deflexion determined displaced fluid distance ditto driven wheel driving epicycloidal equal equation equilibrium evident exceedingly small extrados forces formula friction given horizontal hypocycloidal inclination inertia intersect involute lamina length limiting angle line of centres line of resistance load machine modulus moment of inertia moving n₁ n₂ neutral line observing obtain oscillation P₁ P₂ parallel passing perpendicular pitch circle plane point of application point of contact portion position radius repre respect resultant revolution revolve rupture space stability Substituting supposed surfaces of contact taken to represent tion tooth U₁ unguent vertical vis viva viva voussoirs wall weight whence it follows whilst whole