The amateur mechanic's workshop, by the author of The lathe and its uses1870 |
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The Amateur Mechanic's Workshop, by the Author of the Lathe and Its Uses James Lukin Ingen forhåndsvisning tilgjengelig - 2023 |
The Amateur Mechanic's Workshop, by the Author of the Lathe and Its Uses James Lukin Ingen forhåndsvisning tilgjengelig - 2018 |
Vanlige uttrykk og setninger
addition amateur angle apparatus appearance applied become better bevel blow brass called carefully cast caused centre chisel chuck course cylinder described desired diameter difficulty directed drill edge effect equal face finished fixed flat furnace give given half hammer hand handle head heat held hold hole inch iron joint keep kind laid lathe latter less lower mandrel mark mechanical melted merely metal method necessary obtained once operation ordinary pattern piece pins plane plate polish position possible practice present produce removed represented rest right angles round sand screw seen shape shown side similar slide soft solder square steel stone sufficient supply surface thick thin thread tool true turned upper various whole wood
Populære avsnitt
Side 88 - ... the three angles of a triangle are together equal to two right angles, although it is not known to all.
Side 15 - Ib. of iron in 15 minutes. It need scarcely be added that small quantities of gold, silver, copper, brass, German silver, &c., can be melted with great ease, and that all the chemical processes that are commonly effected in platinum and porcelain crucibles can be promptly accomplished in the smallest cylinder of this furnace ; and, in the case of platinum vessels, with this special advantage, that the oil-gas is free from those sulphurous compounds, the presence of which in coal-gas frequently causes...
Side 14 - ... at a white heat, the oil does not rise in the funnel, being instantaneously converted into gas at the mouth of the burner, and thrown up in that state into the furnace for combustion. The operation, indeed, consists at that point of a rapid distillation of oil-gas, which is immediately burnt, in the presence of air supplied at a suitable pressure by a dozen blowpipes, in effective contact with the crucible to be heated. The flame produced in this furnace is as clear as that produced by an explosive...