The Repertory of arts and manufactures [afterw.] arts, manufactures and agriculture

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Էջ 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...
Էջ 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...
Էջ 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...
Էջ 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.
Էջ 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...
Էջ 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.
Էջ 100 - 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...
Էջ 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.
Էջ 104 - 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.
Էջ 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...

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