The Annual of Scientific Discovery, Or, Year-book of Facts in Science and ArtGould, Kendall, and Lincoln, 1855 |
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Side 28
... pressure of about 20 pounds above that of the atmosphere , and expanding by the lap of the valve merely diminishes its pressure to about 15 when the stroke is completed , at which time the valve opens , admitting the steam to the same ...
... pressure of about 20 pounds above that of the atmosphere , and expanding by the lap of the valve merely diminishes its pressure to about 15 when the stroke is completed , at which time the valve opens , admitting the steam to the same ...
Side 29
of the capacities of the high and low - pressure cylinders being about as one to two and a half , the steam may be supposed to be finally expanded in about that ratio , and the effect of each pair is theoretically equal to that of a ...
of the capacities of the high and low - pressure cylinders being about as one to two and a half , the steam may be supposed to be finally expanded in about that ratio , and the effect of each pair is theoretically equal to that of a ...
Side 35
... pressure , as , in measuring the height of mountains , we measure the barometical pressure of the air ; and so I would propose to do it by an instrument constructed as follows : - An accurately constructed tube of gun - metal or brass ...
... pressure , as , in measuring the height of mountains , we measure the barometical pressure of the air ; and so I would propose to do it by an instrument constructed as follows : - An accurately constructed tube of gun - metal or brass ...
Side 36
... pressure is applied from below to compress the spring . The glass tube has a small ring fixed in it , just so as to stick at any point to which it is pushed , and the button at the top of the rod serves to push the ring straight , and ...
... pressure is applied from below to compress the spring . The glass tube has a small ring fixed in it , just so as to stick at any point to which it is pushed , and the button at the top of the rod serves to push the ring straight , and ...
Side 38
... pressure in the direction of its length . It lies upon a flexible iron band , which is attached to the end of the model , where the stick rests . As the anterior end of the model passes under the cogged wheel and rises to a right angle ...
... pressure in the direction of its length . It lies upon a flexible iron band , which is attached to the end of the model , where the stick rests . As the anterior end of the model passes under the cogged wheel and rises to a right angle ...
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The Annual of Scientific Discovery, Or, Year-book of Facts in ..., Volum 5 Uten tilgangsbegrensning - 1854 |
The Annual of Scientific Discovery, Or, Year-book of Facts in ..., Volum 5 Uten tilgangsbegrensning - 1854 |
The Annual of Scientific Discovery, Or, Year-book of Facts in Science and Art Uten tilgangsbegrensning - 1857 |
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Populære avsnitt
Side 274 - ... consumed by a given weight of animal, within a given time, and the amount of increase obtained from a given weight of food. The results, which formed the subject of the present communication, afforded further illustration of some of the points brought forward in the former one ; but...
Side 377 - These astronomers are of opinion that this fluid ring is not of very recent formation, and that it is not subject to rapid change , and they have come to the extraordinary conclusion that the inner border of the ring has, since the time of Huygens, been gradually approaching the body of Saturn, and that we may expect, sooner or later, perhaps in some dozen of years, to see the rings united with the body of the planet.
Side 162 - A wire laid across from cither of the above-named places on this side will pass to the north of the Grand Banks, and rest on that beautiful plateau to which I have alluded, and where the waters of the sea appear to be as quiet and as completely at rest as it is at the bottom of a mill-pond.
Side 269 - It fully equalled the expectations of all ; so that solidified milk will hereafter rank among the necessary appendages to the sick room. In fine, this article makes paps, custards, puddings, and cakes, equal to the best milk ; and one may be sure it is an unadulterated article, obtained from well-pastured cattle, and not the produce of distillery slops ; neither can it be watered. For our steamships, our packets, for those travelling by land or by sea, for hotel purposes, or use in private families,...