A pamphlet and price list [of clocks and watches].1874 |
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14 inches long 15-carat gold gilt 29 inches 30-hour timepiece 8-day timepiece 9-carat bright gold 9-carat gold Archbishop of Rheims black marble brass breadth 17 bright gold Locket brooch capped and jewelled carat centre chain chronometers clock sold coloured stones cond CYLINDER ESCAPEMENT diamond diamond cut Ditto ditto dull gold E.PULCIFER emeralds engraved extra garnets Gilt Clock give satisfaction glass shade goes 15 days Gold fronts gold wires Government stamp handsome hard enamelled dial holds two portraits hour and half-hour inches high inches higher jewelled in four keep correct lever escapement maintaining power NOTTINGHAM ounce panel door pattern in gold pearl pendulum spring pennyweights plain PULCIFER begs PULCIFER'S return the money Ring rosewood SEAL AND KEY strike hours strikes the hour striking Clock SUIT ALL CLASSES timekeeper Value in 9-carat verge escapement visible escapement watch or clock watchmaker weight appears weight from oz wheel worn written warranty XI XII
Popular passages
Page 9 - ... are a hundred and two distinct branches of this art, to each of which a boy may be put apprentice ; and that he only learns his master's department, and is unable, after his apprenticeship has expired, without subsequent instruction, to work at any other branch. The watch-finisher, whose business it is to put together the scattered parts, is the only one, out of the hundred and two persons, who can work in any other department than his own."* § 5.
Page 9 - Manufactures," tells us that the division of labour cannot be successfully practised unless there exist a great demand for its produce ; and it requires a large capital to be employed in those arts in which it is used.
Page 4 - ... been, a member of the Communist Party? Mr. Symonds. I advise my client not to answer, upon the ground it might tend to incriminate him. Mr. Walter. I would like you to answer this question. Mr. Tokunaga. I refuse to answer the question, on the ground that it might tend to incriminate me. Mr. Tavenner. I think it would be a waste of time for me to ask the other questions which were propounded to him at the conference. Mr. Walter. Step aside. You are still under subpena, and subject to the further...
Page 4 - ... having a spiral groove cut on it : on the bottom of this cone, or fusee, the first or great wheel is put. The arbor, on which the spring barrel turns, is so fixed in the frame, that it cannot turn when the fusee is winding up : the inner end of the spring hooks on to the barrel arbor, and the outer end hooks to the inside of the barrel.
Page 2 - The first sun-dial is said to have been set up at Rome by L. Papirius Cursor, AU 447, (BC 301.) and the next near the Rostra, by M. Valerius Mesela, the Consul, who brought it from Catana in Sicily, in the first Punic war, AU 481.* Scipio...
Page 9 - The chisel of the sculptor,' as Mr Thomson justly remarks, * may add immense value to a block of marble, and the cameo may become of great price from the labour bestowed, but art offers no example wherein the cost of the material is so greatly enhanced by human skill as in the balance-spring.
Page 5 - ... cord, which is wrapped round in the groove, for any determined number of turns; and to the other end of the cord is hung a weight, which constitutes a power or force to set the wheels in motion. Their time of continuing in motion will depend on the height through which the weight has to descend, on the number of teeth in the first or great wheel, and on the number of teeth or leaves of the pinion upon which this wheel acts, &c. The wheels in spring clocks, and in watches...
Page 9 - In watchmaking, as Mr. Babbage observes, " it was stated in evidence before a Committee of the House of Commons, that there are a hundred and two distinct branches of this art, to each of which a boy may be put apprentice ; and that he only learns his master's department, and is unable, after his apprenticeship has expired, without subsequent instruction, to work at any other branch. The watch-finisher, whose business...
Page 5 - Now, if the fusee is turned round in the proper direction, it will take on the cord or chain, and, consequently, take it off from the barrel. This bends up the spring ; and, if the fusee and great wheel are left to themselves, the force exerted by the spring in the barrel to uubend itself, will make the barrel turn in a contrary direction to that by which it was bent up.
Page 8 - Heat elongates the pendulum spring, and thereby causes a slower vibration of the balance. The same amount of heat will also expand the metals composing the balance ; but as the inner rim of steel does not expand so freely as the outer one of brass, the conflicting action of the two tends to draw the free end of the circular rim inwards towards its centre, and thus decreases in all but one direction the diameter of the balance. This decrease tends to quicken its vibration, and thus counteracts the...