The Repertory of arts and manufactures [afterw.] arts, manufactures and agriculture, Zväzok 1 |
Obsah
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Iné vydania - Zobraziť všetky
Časté výrazy a frázy
againſt alfo alkali alſo anſwer becauſe beſt bleaching boiler boiling bottom cafe calcareous calcined chimney cloth colour confequently confiderable conftructed defcribed Defcription diffolved diftillation drachm elixiviated epidermis experiments faid invention faid provifo falt faltpetre fame fcrew fcum ferve feven fhall fhould fide firft firſt fixed fixt fize fkin fmall foaked folution fome foon formed fpring ftate fteam ftrong fubftances fuch fufficient fulphur fuppofe furface gallic acid gallons heat hides houſe inches increaſe inftrument iron itſelf leather lefs leſs lime liquor manner materials meaſure method milk moft moſt muft muſt neceffary nitrous obferved occafioned oil or oils operation oxygenated muriatic acid paffing panniculus paper Patent plate potaſh pound prefervative prefs procefs proportion purpoſe putrefaction quantity refiftance refpect ſhall ſkin ſmall ſpace ſtate tanning thefe theſe theſe preſents thofe thoſe tion tube turpentine ufual uſed valve veffel vitriolic acid weight wheel wood-afhes
Populárne pasáže
Strana 218 - I intend, in many cases, to employ the expansive force of steam to press on the pistons, or whatever may be used instead of them, in the same manner...
Strana 218 - My method of lessening the consumption of steam, and consequently fuel, in fire-engines, consists of the following principles: "First, That vessel in which the powers of steam are to be employed to work the engine, which is called the cylinder...
Strana 219 - ... within them are placed a number of valves, that suffer any body to go round the channel, in one direction only. In these steam vessels are placed weights so fitted to them as entirely to fill up a part or portion of their channels...
Strana 2 - America, for and during our will and pleasure, as by the said recited letters patent, (relation being thereunto had) may more fully and at large appear.
Strana 218 - ... steam to enter or touch it during that time. " Secondly, In engines that are to be worked wholly or partially by condensation of steam, the steam is to be condensed in vessels distinct from the...
Strana 218 - Thirdly, Whatever air or other elastic vapour is not condensed by the cold of the condenser, and may impede the working of the engine, is to be drawn out of the steam vessels or condensers by means of pumps, wrought by the engines themselves, or otherwise.
Strana 98 - Begin at the head of the sheep, and proceeding, from between the ears, along the back to the end of the tail. The wool is to be divided...
Strana 176 - ... a sieve to drain gradually; and, as it drains, keep gradually pressing it till it becomes firm and dry; then place it in a wooden hoop ; afterwards to be kept dry on boards, turned frequently, with. cloth binders round it, which are to be tightened as occasion requires. " ' NB The dairy-maid must not be disheartened if she does not succeed perfectly in her first attempt.
Strana 106 - Two obftacles of the fame height, but of a different fhape, each making an inclined plane of three quarters of an inch long, and a quarter of an inch high, were fubftituted in the place of the former, and it required but two pounds to overcome their refiftance.
Strana 116 - At the fame time its power as a conductor of electricity is perhaps equal, or but little inferior, to that of any of the metals. A line drawn on a piece of paper, by a black-lead pencil will, as I have often experienced...