Journal of the Franklin InstituteFranklin Institute, 1851 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] |
No grāmatas satura
6.–10. rezultāts no 100.
43. lappuse
... weight , compatible with strength and efficiency , must be that which is to be desired . All modern improvement has tended to this end ; indeed , diminished weight of machinery is really power , for thereby you decrease the immersion of ...
... weight , compatible with strength and efficiency , must be that which is to be desired . All modern improvement has tended to this end ; indeed , diminished weight of machinery is really power , for thereby you decrease the immersion of ...
44. lappuse
... weight of the oscillating engine is just one - half that of the beam engine . A pair of oscillating engines , properly constructed , ( for we have quacks in engineering as well as in medicine , ) will weigh no more than one beam engine ...
... weight of the oscillating engine is just one - half that of the beam engine . A pair of oscillating engines , properly constructed , ( for we have quacks in engineering as well as in medicine , ) will weigh no more than one beam engine ...
45. lappuse
... weight and space , and are now designed quite free from the general objections made to them ; they are not more expensive in fuel when a due proportion exists between the absorbent surface and the surface of the grates ; and I know no ...
... weight and space , and are now designed quite free from the general objections made to them ; they are not more expensive in fuel when a due proportion exists between the absorbent surface and the surface of the grates ; and I know no ...
46. lappuse
... weight of 862.5 tons complete . I have already shown that oscillating engines may be made to weigh but 14 cwt . per horse , and to exert three times the nominal power , with- out the slightest increase in the parts , and when so ...
... weight of 862.5 tons complete . I have already shown that oscillating engines may be made to weigh but 14 cwt . per horse , and to exert three times the nominal power , with- out the slightest increase in the parts , and when so ...
47. lappuse
... weight of 337.5 tons . From the magnitude of these ships , each inch of their immersion will be equal to about 20 tons . Therefore 337.5 20 = 16.875 inches decrease in the draft , so that the area of the midship section will be re ...
... weight of 337.5 tons . From the magnitude of these ships , each inch of their immersion will be equal to about 20 tons . Therefore 337.5 20 = 16.875 inches decrease in the draft , so that the area of the midship section will be re ...
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