The Annual of Scientific Discovery, Or, Year-book of Facts in Science and ArtGould, Kendall, and Lincoln, 1855 |
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Side 63
... covering adheres in consequence of a polarized condition of the par- ticles of the iron . If the iron were absolutely ... covered with copper , and this new surface unites to the metal in a fluid state , precisely as a mass of copper ...
... covering adheres in consequence of a polarized condition of the par- ticles of the iron . If the iron were absolutely ... covered with copper , and this new surface unites to the metal in a fluid state , precisely as a mass of copper ...
Side 64
... covered spikes at the pores in the copper dissolved with the same rapidity as nail - rod does , the exposed surface of spikes would there- fore require 304 times as many days for destruction in this way , as iron ones would . Under any ...
... covered spikes at the pores in the copper dissolved with the same rapidity as nail - rod does , the exposed surface of spikes would there- fore require 304 times as many days for destruction in this way , as iron ones would . Under any ...
Side 67
... covered from the atmosphere , and melted in a temperature of about 1,500 ° Fahrenheit , which temperature is maintained for three hours . The metal is then poured into moulds . Other carbonaceous matter may be substi- tuted for charcoal ...
... covered from the atmosphere , and melted in a temperature of about 1,500 ° Fahrenheit , which temperature is maintained for three hours . The metal is then poured into moulds . Other carbonaceous matter may be substi- tuted for charcoal ...
Side 68
... covering the iron with a thin coating of copper , or other metal having a greater affinity for tin than iron has ; but in order that this result should be satisfactorily attained , it is necessary to polish and pickle the pins before ...
... covering the iron with a thin coating of copper , or other metal having a greater affinity for tin than iron has ; but in order that this result should be satisfactorily attained , it is necessary to polish and pickle the pins before ...
Side 72
... covered : for if the back end , or the sides of a furnace were left uncovered , the air would pass through them instead of passing through the air - distributors , as that passage offered the hottest and shortest route to the chimney ...
... covered : for if the back end , or the sides of a furnace were left uncovered , the air would pass through them instead of passing through the air - distributors , as that passage offered the hottest and shortest route to the chimney ...
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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,...