The Repertory of arts and manufactures [afterw.] arts, manufactures and agriculture |
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acetic acid gas alkali ammonia ampelopsis aperture apparatus appears ascertain beet-root boiler boiling water bottom breakwater Catwater Cawsand Bay Cayme centre charcoal coffee-pot colouring matter combination condenser containing convex lens county of Middlesex cows cubic inches cylinder Dated decolouration degree diameter distilled Drake's Island employed equal evaporated experiments fluoric acid gas furnace glass grains grammes grass ground coffee Hamoaze heat hematine hydrogen improvements iron kilogrammes lens less lever lime liquid liquor logwood malt manner MANUFACTURES means meniscus mercury method mixture muriatic acid nearly observed obtained oxyd oxygen pass Penlee Point phosphoric acid phosphorus pieces pier pipes piston placed plate Plymouth Sound potash pounds precipitate produced proportion purpose quantity render salt shew ships side silex silicated fluoric Society solution steam stone strainer substance sugar sulphuric acid surface syrup temperature tendrils tion tube turnsol vessel vinegar washed weight wool XXII.-SECOND SERIES
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Seite 134 - Now Know Ye, that in compliance with the said proviso, I, the said Adolphe Nicole, do hereby declare that the nature of my said Invention, and the manner in which the same is to be performed, are particularly described and ascertained in and by the following statement thereof, reference being had to the Drawing hereunto annexed, and to the figures and letters marked thereon...
Seite 263 - ... quite certain of a good result. The end of the cylindrical neck of the globular vessel should be closed by a fit cork having a small slit in one side of it, to permit the escape of the vapour out of the vessel. This cork should project about an inch beyond the extremity of the neck of the vessel, in order that it may be used as a handle in turning the vessel round its axis, towards the end of the process when the neck of the vessel becomes very hot. The progress of the operation, and the moment...
Seite 163 - ... levers or a screw press. The composition is to remain under this pressure for twenty or thirty minutes ; the precise time necessary may be known, from examining a small specimen of the composition reserved purposely to determine the time it requires to harden and set firm. The sides of the mould are to be held together by iron clamps and wedges. The wires above mentioned answer...
Seite 166 - Rumford's plan, to heat from a separate fire-place. The time from the fire being lighted till the bread was baked at twice, was five hours, in which time six pounds of Walls-end coals and three pounds of cinders were consumed, besides a small quantity of wood, used merely to light the fire.
Seite 263 - ... coffee when it is roasting, by transferring it to other substances. Perhaps others may be more fortunate. But I must not suffer myself to be enticed away from my subject by these interesting speculations. If the coffee in powder is not well defended from the air, it soon loses its flavour and becomes of little value ; and the liquor is never in so high perfection as when the coffee is made immediately after the grain has been roasted. This is a fact well known to those who are accustomed to drinking...
Seite 129 - Church-street, in the parish of St. Mary, Lambeth, in the county of Surrey, to the opposite bank of the said river, near Market-street, in the parish of St.
Seite 167 - ... inches wide, and 7 inches high, the bars of the fire-place 14 inches from the bottom of the oven. Mr. Way's bread had been sent from Bridport Harbour to the Society on the 10th of March, 1812 ; and had been examined and tasted at sundry times by members of the Society, from the 12th to the 26th of March, so that the greatest part of the loaf had been eaten, what remained, on the 26th, had every appearance of bread made wholly from...
Seite 269 - Formerly the ground coffee being put into a coffeepot with a sufficient quantity of water, the coffee-pot was put over the fire, and after the water had been made to boil a certain time the coffee-pot was removed from the fire, and the grounds having had time to settle, or having been fined down with isinglass, the clear liquor was poured off and immediately served in cups.
Seite 276 - But the sides of the boiler should be kept as bright as possible ; for, when its external surface is kept clean and bright, the boiler will be less cooled by the surrounding cold bodies, than when its metallic splendour is impaired by neglecting to clean it*. " As the small quantity of water which is put into the boiler serves merely for generating the steam which is necessary in order to keep the reservoir and its contents constantly...
Seite 264 - This piston is composed of a circular plate of very stout tin, which is soldered to the lower part of an elastic hoop of tin, about two inches wide, which is made to fit into the cylindrical box as exactly as possible, and so as not to be moved up and down in it without employing a considerable force. This hoop is rendered elastic by means of a number of vertical slits made in the sides of it. On the upper side of the circular plate of tin which closes this hoop below, and in the centre of it, there...