the dynamics of mechanical flight1912 |
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Seite 4
... hydrogen will now escape ; and that the supply has not been renewed by the comets , as imagined by Newton in the " Principia , " Lib . III . : — Porro suspicor Spiritum illum , qui Aeris nostri pars minima est , sed subtilissima et ...
... hydrogen will now escape ; and that the supply has not been renewed by the comets , as imagined by Newton in the " Principia , " Lib . III . : — Porro suspicor Spiritum illum , qui Aeris nostri pars minima est , sed subtilissima et ...
Seite 109
... hydrogen balloon , invented by the chemist Charles a few months later , having an advantage that the lift can be obtained with a gas bag much smaller ( Fig . 55 ) . This is of great importance for military use , where the balloon is ...
... hydrogen balloon , invented by the chemist Charles a few months later , having an advantage that the lift can be obtained with a gas bag much smaller ( Fig . 55 ) . This is of great importance for military use , where the balloon is ...
Seite 110
... hydrogen we may take n as large as 14 , so that 1 ton of hydrogen can lift itself and 13 tons more in the air ; and as 1 ton of air bulks 2,240 × 12 : 5 = 28,000 ft3 , 1 ton of hydrogen bulks 28,000 x 14 = 392,000 ft3 ; and 2 tons of ...
... hydrogen we may take n as large as 14 , so that 1 ton of hydrogen can lift itself and 13 tons more in the air ; and as 1 ton of air bulks 2,240 × 12 : 5 = 28,000 ft3 , 1 ton of hydrogen bulks 28,000 x 14 = 392,000 ft3 ; and 2 tons of ...
Seite 111
... hydrogen can be produced at 1d . per metres or 35 ft per penny , so that 800,000 ft would cost about £ 100 . Suppose the gas employed for inflating the balloon is n times P 3 lighter than the air , of density lb / ft , and S.V. nv ft ...
... hydrogen can be produced at 1d . per metres or 35 ft per penny , so that 800,000 ft would cost about £ 100 . Suppose the gas employed for inflating the balloon is n times P 3 lighter than the air , of density lb / ft , and S.V. nv ft ...
Seite 112
... hydrogen balloons , sealed up . At the height z ft , where the density of the air is p , the ascensional force , in lb , will be ( 10 ) Vp : ( 1 - 1 n W --- - W P. ) = [ ( n − 1 ) Q + W ' ] P : = P = ( VA + W " ) P2 - W , -- W on ...
... hydrogen balloons , sealed up . At the height z ft , where the density of the air is p , the ascensional force , in lb , will be ( 10 ) Vp : ( 1 - 1 n W --- - W P. ) = [ ( n − 1 ) Q + W ' ] P : = P = ( VA + W " ) P2 - W , -- W on ...
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Seite 3 - Bright 8vo, *4 50 Brislee, TJ Introduction to the Study of Fuel. (Outlines of Industrial Chemistry) 8vo, *3 oo British Standard Sections 8x15 *i oo Complete list of this series (45 parts) sent on application.
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Seite 20 - Protection i2mo, i oo Spangenburg, L. Fatigue of Metals. Translated by SH Shreve. (Science Series No. 23.) i6mo, o 50 Specht, GJ, Hardy, AS, McMaster, JB, and Walling. Topographical Surveying. (Science Series No. 72.) i6mo, o 50 Speyers, CL Text-book of Physical Chemistry 8vo, *2 25 Stahl, AW Transmission of Power.
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Seite 8 - Crossings i2mo, *i 50 The Solution of Alternating Current Problems 8vo (In Press.) Fox, WG Transition Curves. (Science Series No. no.) i6mo, o 50 Fox, W., and Thomas, CW Practical Course in Mechanical Drawing nmo, i 25 Foye, JC Chemical Problems.
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