Proceedings of the American Academy of Arts and Sciences, Volumen3Metcalf and Company, 1857 Vol. 12 (from May 1876 to May 1877) includes: Researches in telephony / by A. Graham Bell. |
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Página 29
... gave a minute description of the different parts of the engine , illustrated by diagrams . In the large cylinder , the pressure never exceeds five pounds to the square inch , and never can , unless the heat be raised above 550 ° , which ...
... gave a minute description of the different parts of the engine , illustrated by diagrams . In the large cylinder , the pressure never exceeds five pounds to the square inch , and never can , unless the heat be raised above 550 ° , which ...
Página 31
... gave the result was based . He be- lieved the air - engine , working at about 500 ° , and cutting off at one half or two thirds of the stroke , would give the same result as a non - condensing expansive steam - engine working with ...
... gave the result was based . He be- lieved the air - engine , working at about 500 ° , and cutting off at one half or two thirds of the stroke , would give the same result as a non - condensing expansive steam - engine working with ...
Página 68
... gave some account of the copper and gold mines of North Carolina ; some of the copper mines are old gold mines which were worked till they became unprofit- able from the presence of water ; now , improved machinery permits them to be ...
... gave some account of the copper and gold mines of North Carolina ; some of the copper mines are old gold mines which were worked till they became unprofit- able from the presence of water ; now , improved machinery permits them to be ...
Página 86
... gave 85 ° 47 ' . This difference , too great to be referred to any errors of observation , is probably occasioned by apparent variations in the angle produced by striæ . Of ten or twelve crystals which I have examined , the one ...
... gave 85 ° 47 ' . This difference , too great to be referred to any errors of observation , is probably occasioned by apparent variations in the angle produced by striæ . Of ten or twelve crystals which I have examined , the one ...
Página 112
... gave at 100 ° C. 0.1392 grm . loss . II . 1.127 grm . dried at 100 ° C. left 0.0038 grm . ash . III . 4.0347 grm . dried at 100 ° C. left 0.0133 grm . ash . IV . 0.3124 grm . gave 0.5017 grm . CO2 and 0.1857 grm . HO . V. 0.4468 grm ...
... gave at 100 ° C. 0.1392 grm . loss . II . 1.127 grm . dried at 100 ° C. left 0.0038 grm . ash . III . 4.0347 grm . dried at 100 ° C. left 0.0133 grm . ash . IV . 0.3124 grm . gave 0.5017 grm . CO2 and 0.1857 grm . HO . V. 0.4468 grm ...
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4to pamph 8vo pamph Academy acid aculeis aculeis radialibus albidis allantois angulatis animal apice areolis articulis ASA GRAY B. A. Gould Band basi Boston brevioribus Bruxelles carbon cells cellulis central spines centralibus chair Cherbourg Class Committee Cotyledones crustacea Eclipse Edward Sabine El Paso elongatis embryo exhibited fishes flavis flore floribus Flower foliis fossil Fruit genus gerentibus Glanis Gray heat Heft hundred Hydrogen inches high inches in diameter inferioribus iron joints lines in diameter lines long London longioribus LOUIS AGASSIZ magnis mass Mémoires MONTHLY MEETING motion Nitrogen observed Opuntia ovario ovatis ovum Oxygen Paris Paso patulis paullo Petala petalis plant plerumque present PRESIDENT Professor Agassiz Professor Lovering Professor Peirce pulvillis radial spines radiantibus rectis remarks Report River robustis Royal sæpe Sciences Section Seeds seminibus Society species specimens starch stigmatibus superioribus tetradrachmon tion Treadwell tubercles tuberculis Wien Wisl Wolffian bodies
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