London Journal of Arts and Sceinces: And Repertory of Patent Inventions, Том 8William Newton, Charles Frederick Partington W. Newton, 1824 |
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Сторінка 8
... revolve in a contrary direction . Plate I. fig . 4 , is a front view of the engine , and fig . 5 a longitudinal section of the same ; a is a boiler of any desirable form , erected upon brick - work , to which a tube b is attached by ...
... revolve in a contrary direction . Plate I. fig . 4 , is a front view of the engine , and fig . 5 a longitudinal section of the same ; a is a boiler of any desirable form , erected upon brick - work , to which a tube b is attached by ...
Сторінка 64
... revolve as the rocket advances , which action compensates for the reduced length of the stick ; and the stick itself may be connected to the rocket , in the common mode , or in the centre , as in the war rocket . If these wings or ...
... revolve as the rocket advances , which action compensates for the reduced length of the stick ; and the stick itself may be connected to the rocket , in the common mode , or in the centre , as in the war rocket . If these wings or ...
Сторінка 69
... revolve with great velocity as long as the central shaft is actuated ; lll , are guides , through which the silken threads from the reels a are passed to b b b , the quills that receive the threads . These quills are placed upon ...
... revolve with great velocity as long as the central shaft is actuated ; lll , are guides , through which the silken threads from the reels a are passed to b b b , the quills that receive the threads . These quills are placed upon ...
Сторінка 72
... revolve upon a solid bed , on which the materials intended to be broken are placed . A central shaft , a , actuated by the bevel gear b , connected with any first mover , carries round the indented roller . c . and the plain roller d ...
... revolve upon a solid bed , on which the materials intended to be broken are placed . A central shaft , a , actuated by the bevel gear b , connected with any first mover , carries round the indented roller . c . and the plain roller d ...
Сторінка 119
... revolve , must be furnished with a ratchet and pall , so that the prisoners can hold it still if they please , but then their whole labour will be exerted upon the stepping wheel . In order to prevent the necessity of the constant atten ...
... revolve , must be furnished with a ratchet and pall , so that the prisoners can hold it still if they please , but then their whole labour will be exerted upon the stepping wheel . In order to prevent the necessity of the constant atten ...
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acid aforesaid apparatus applied attached axle bobbin boiler bolt burner calico carriage City of London cloth colour conj construction copper cord cotton county of Middlesex cylinder drawing drawing rollers Ecliptic effect employed flax flue frame furnace gasometer heat hemp horizontal immerge improvement inch Inrolled invention iron Journal of Arts lace lamp large silver medal lever London Journal LOWER EDMONTON machine machinery manufacturing mast material means ment metal method Middlesex mode months mucilage operation oven PARIS passes the merid passes the meridian patent Paul Moody piece pipe plates present pressure produced proposed purpose quantity raised ratchet-wheel revolve rods rollers rotatory Rotherhithe sail Scheele's Green screw Sealed shaft shewn at fig side silk silver Isis medal silver palette sliding stay-sail steam engine substance surface threads tion tube turpentine valve vessel VIII wheel York
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Сторінка 147 - Dissolve in a copper kettle, by heat, one part of verdigris, in a sufficient quantity of pure vinegar, and add to it an aqueous solution of one part of white arsenic. A precipitate of dirty green generally forms, which must be renewed by adding more vinegar, or till the precipitate is perfectly dissolved. After boiling this mixture, a granular precipitate will in a short time form, of the most beautiful green colour, which, being separated from the liquid, and well washed aud dried, is the required...
Сторінка 9 - London, merchant, in consequence of a communication made to him by a certain foreigner residing abroad, for an invention of " certain improvements in boilers for generating steam.
Сторінка 326 - Middlesex, merchant, in consequence of a communication made to him by a certain foreigner residing abroad...
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Сторінка 317 - Unlike large ships, her galley and bitts are above deck ; and between the foremast and the first mainmast there is a fore hatchway, and a cable tier and messingplace for part of the crew, which look like a rude gap made in her cargo after it had been stowed. The height from the timber on which the cable is coiled, and where the men have two or three berths, is about six feet ; so that there must be even there about thirty feet deep of timber. But from the first mainmast to the second, the cargo runs...
Сторінка 166 - Carnaby-street, in the parish of St. James, Westminster, in the county of Middlesex, Lcad-pipe-manufacturer ; for his new-invented manufacture of metal pipes, the same being...
Сторінка 245 - ... weight of copper ; or two ounces of block or grain tin ; or four ounces of regulus of antimony ; or eight ounces of regulus of arsenic, in the same quantity of copper. Or, instead of employing these substances alone in the above-mentioned proportions, to l00lbs.
Сторінка 148 - ... pounds of the colour prepared as above, warm the whole over a moderate fire. The mass will soon acquire the required shade. If it is boiled too long, the colour will approach to Scheele's green ; but it always surpasses it in beauty and splendour.