Spectacle de la Nature: Or, Nature Display'd. Being Discourses on Such Particulars of Natural History as Were Thought Most Proper to Excite the Curiosity, and Form the Minds of Youth ... Tr. from the Original French ...L. Davis and C. Reymers, 1763 |
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Página 175
... Core , and for the Furnace . III . The Horfe - dung , Hair and Hemp , mixt together with the Earth , to prevent all Crevices , and render the Cement of a stronger and more binding Nature . IV . The Wax . A Matter whereof the ...
... Core , and for the Furnace . III . The Horfe - dung , Hair and Hemp , mixt together with the Earth , to prevent all Crevices , and render the Cement of a stronger and more binding Nature . IV . The Wax . A Matter whereof the ...
Página 177
... to that of the Bell . The Founders call this Part of the Work , which ferves as a Bafis to all the : eft , the Mill - ftone . See CC Fig . 4 . The Parts of the Mould are the Core , the 15 The The third Sequel of Inftructive Arts . 177.
... to that of the Bell . The Founders call this Part of the Work , which ferves as a Bafis to all the : eft , the Mill - ftone . See CC Fig . 4 . The Parts of the Mould are the Core , the 15 The The third Sequel of Inftructive Arts . 177.
Página 178
... Core , the Thickness of which Is marked ( Fig . 4. ) betwixt the pricked I'ne 4. 4 and the Line 3. 3. This fame Thickness as not been reprefented on the other Side of the Figure , to avoid any Confufion with the pricked Line of the ...
... Core , the Thickness of which Is marked ( Fig . 4. ) betwixt the pricked I'ne 4. 4 and the Line 3. 3. This fame Thickness as not been reprefented on the other Side of the Figure , to avoid any Confufion with the pricked Line of the ...
Página 179
... Core is delineated , in order to place that Brink , fo as that there may remain between it and the Curve the Liftances of a Line or more , that fhall afterwards be fill- ed up with feveral Layers o : Cement . When the Core is railed to ...
... Core is delineated , in order to place that Brink , fo as that there may remain between it and the Curve the Liftances of a Line or more , that fhall afterwards be fill- ed up with feveral Layers o : Cement . When the Core is railed to ...
Página 180
... Core to dry up that which has been just finished . The Core is judged to be in its Perfection , when the Board or Profile turning over it carries the fresh Cement intirely off , without leaving any upon the laft dry Layer : They end ...
... Core to dry up that which has been just finished . The Core is judged to be in its Perfection , when the Board or Profile turning over it carries the fresh Cement intirely off , without leaving any upon the laft dry Layer : They end ...
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Términos y frases comunes
alfo Apertures Arbor Arch Balance-wheel becauſe Bell Brim Brochette caft caufe cauſe Compaffes confiderable confifts Core courfe defigned Defire eſtabliſhed faftened faid fame fecond feems feen fenfible ferve feve feven feveral fhall fhew fhort fhould Figure fingle firft fmall fome fometimes fpeak ftill fucceffively fuch Fufee fufficient fupport fure Furnace give Glaffes Glafs Hand Hiftory himſelf Hollows Honour Horfe human Voice Impreffion Inftructions Inftruments Ingraving Interfection itſelf laft laminated leaft lefs likewife Maffes Mafs Manner Matter Meaſure melted Metal Minute-wheel moft moſt Motion Mould Mufic muft muſt neceffary Neceffity never Number obferve Pendulum Phyfics Pieces Pinion Planchet Plate pleafe pleaſe Pleaſure Pointil prefent preferved procure Purpoſe raiſed Reafon refpective reft render Rheims Ring round Senfe ſmall Society Spring Steeple Teeth thefe themſelves theſe thick Thickneſs Things thofe thoſe tion Turenne Turns uſeful Vafe Weight Wheel whilft whofe whole
Pasajes populares
Página 228 - ... fet within it to turn. This enters into the female fcrew, which is in the body of the mill, and turns with fo much ftrength, that by pufhing the upper fquare upon that of the effigy, the planchet, violently prefled between both fquares, receives the impreflion of both at one pull, and in the twinkling of an eye.
Página 227 - ... repafs between the feveral rollers of the laminating engine, which being gradually brought clofer and clofer to each other, prefently give the lamina its uniform and exaft thicknefs.
Página 44 - ... without taking much room in the pipe. " You may tie to the upper part of the spiral spring a string that goes quite through it, and is fastened to a ring at the other end ; that the ring ascending along with the first spires may be a warning, that the candle is nearly at an end, that is, when the ring is ready to touch the lower part of the pipe. This pipe will be inclined, and make an angle of forty-five or fifty degrees with the horizon or with the surface of its support ; for, were it perpendicular,...
Página 185 - ... shell. This they let dry, that it may be removed without breaking. To make room for the metal, they pull off the hollows of the rings through which the metal is to pass, before it enters into the vacuity of the mould. The shell being unloaded of its ear, they range under the mill-stone five or six pieces of wood, about two feet long, and thick enough to reach almost the lower part of the shell; between these and the mould they drive in wooden wedges with a mallet, to shake the shell of the model...
Página 227 - After thcfe planchete have been prepared and weighed with ftandard pieces, filed or fcraped to get off the fuperfluous part of the metal, and then boiled and made clean, they arrive, at laft, at the michine (fig.
Página 44 - ... air; whereas, a common wax-candle is offensive and lays you under the necessity of continual snuffing. All these different conveniences have been tolerably well reunited in the new study candlestick, of which I send you a figure. It may be put either upon a portable support, or upon a fixed movable branch, by means whereof you may have it higher or lower, and place it as near or as far as you please. The spring, which bears against the wax candle, ought to be made of a very fine and light matter,...
Página 143 - ... de Guillaume-le-Conquérant avec la célèbre traduction du Livre des Rois, conservée autrefois chez les pères cordeliers de Paris ,qui date du XIe siècle, et l'on verra combien le style des lois anglaises a un caractère plus moderne. La traduction du Livre des Rois commence par ces mots : « Li primiers livres des » Reis. Uns vers fu ja en l'antif pople deu et out num Hel•J u Pro Dei amore et pro christiano populo.
Página 228 - The planche t is laid flat on the fquare of the effigy, which is dormant ; and they immediately pull the bar of the mill by its cords, which caufes the fcrew fet within it to turn. This enters into the female fcrew, which is in the body...
Página 226 - The engraven then prepared, as tliey still do, a couple of steel masses in form of dyes, cut and terminated by a flat surface, rounded off at the edges. They engraved or stamped on...
Página 128 - Quant nos oont la cloke (16) de Prime retentir, A donc devons nous mettre nos cuers à Dieu servir.