The Mechanic's Magazine, Museum, Register, Journal and Gazette, Band 37 |
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Seite 144
Her dimensions are 220 feet in length , 37 feet beam , and 26 feet deep in the
hold ; burden , 1,750 tons , B.M .; she is to be fully rigged as a 50 gun frigate , the
length of mainmast to be 90 feet , and 36 inches diameter , mainyard 79 feet , and
...
Her dimensions are 220 feet in length , 37 feet beam , and 26 feet deep in the
hold ; burden , 1,750 tons , B.M .; she is to be fully rigged as a 50 gun frigate , the
length of mainmast to be 90 feet , and 36 inches diameter , mainyard 79 feet , and
...
Seite 162
The length of this pivot is change of position of the load ; from fric about equal to
half the diameter of the tion upon the bearings , rollers and their table ; its lower
portion , as well as a broad axles , and upon the centre pivot , which collar , or ...
The length of this pivot is change of position of the load ; from fric about equal to
half the diameter of the tion upon the bearings , rollers and their table ; its lower
portion , as well as a broad axles , and upon the centre pivot , which collar , or ...
Seite 212
crank , I leave it with your readers to de much greater or less than the diameter
cide , which of us is most inclined to “ beat of the burner , and that the diameter of
a retreat , " and " shift his ground ; ” and the second chimney should not be much
...
crank , I leave it with your readers to de much greater or less than the diameter
cide , which of us is most inclined to “ beat of the burner , and that the diameter of
a retreat , " and " shift his ground ; ” and the second chimney should not be much
...
Seite 244
Piston valves , to work in the others of l { inch diameter , from 15 to 20 valve -
cases . inches apart , and supported by props , Figs . 7 and 8. Side and edge
views of with shoes and caps riveted to the flues . the propelling vanes or screw .
Piston valves , to work in the others of l { inch diameter , from 15 to 20 valve -
cases . inches apart , and supported by props , Figs . 7 and 8. Side and edge
views of with shoes and caps riveted to the flues . the propelling vanes or screw .
Seite 245
Steam pipes , diameter top . The mean distance of the ribs from 16 Two
foundation - plates for cylinders , centre to centre is 14 inches , and all these
length ... ribs will be doubled ; the distance is then 27 0 Width ( parallel ) ..
increased to 18 ...
Steam pipes , diameter top . The mean distance of the ribs from 16 Two
foundation - plates for cylinders , centre to centre is 14 inches , and all these
length ... ribs will be doubled ; the distance is then 27 0 Width ( parallel ) ..
increased to 18 ...
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action advantage angle apparatus appears applied axle boiler bottom called carried cause centre coal communication considerable considered consists construction continued correspondent cylinder described diameter direction distance ditto effect employed engine equal experiments fact feet force four furnace give given greater heat hour improvements inches increased invention iron length less light London machine manner manufacture material matter means mechanical ment metal method miles mode months motion moving nearly object observed obtained operation pass patent piece pipe piston plate position practical present pressure principle produced propeller proved quantity railway readers resistance respect screw ship side space spring square steam sufficient supply suppose surface tion tube valve vessel weight wheels whole wire wood
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Seite 371 - The Committee on Science and the Arts constituted by the Franklin Institute of the State of Pennsylvania, for the promotion of the Mechanic Arts, to whom was referred for examination a Solar Compass, invented by WM.
Seite 590 - ... any new and original design for a bust, statue, or bas relief or composition in alto or basso relievo, or any new and original impression or ornament, or to be placed on any article of manufacture, the same being formed in marble or other material, or any new and useful pattern...
Seite 376 - An account of the waste or increase of the Land on any part of the coast of Great Britain, the nature of the Soil, the direction of the Tides, Currents, Rivers, Estuaries, &c., with the means adopted for retarding or preventing the waste of the land.
Seite 498 - When no unguent is interposed, the friction of any two surfaces (whether of quiescence or of motion) is directly proportional to the force with which they are pressed perpendicularly together ; so that for any two given surfaces of contact there is a constant ratio of the friction to the perpendicular pressure of the one surface upon the other.
Seite 468 - ... 2. On repeating this simple experiment, I find that it is necessary for the production of a good effect to use dissimilar metals ; for instance, a piece of gold or platina on a plate of copper or of silver will make a very decided image, whereas copper or silver on their respective plates...
Seite 343 - We are of opinion that if the result produced by such a combination is either a new article, or a better article, or a cheaper article to the public, than that produced before by the old method, that such combination is an invention or manufacture intended by the statute, and may well become the subject of a patent.
Seite 470 - I feel convinced that we have to do with some thermic influence, and that it will eventually be found that some purely calorific excitement produces a molecular change, or that a thermo-electric action is induced which effects some change in the polarities of the ultimate atoms of the solid.
Seite 349 - ... to the health. But as it approaches the metropolis, it becomes loaded with a quantity of filth, which renders it disgusting to the senses, and improper to be employed in the preparation of food.
Seite 590 - ... manufacture, not known or used by others before his, her, or their invention or production thereof, and prior to the time of his, her, or their application for a patent therefor, and who shall desire to obtain an exclusive property or right therein to make, use, (and sell) and vend the same, or copies of the same, to others, by them to be made, used, and sold, may make application in writing, to the Commissioner of Patents, expressing such desire : and the Commissioner, on due proceedings had,...
Seite 470 - Magazine for October 1840, I mentioned some instances in which I had copied printed paper and engravings on iodized paper by mere contact and exposure to the influence of calorific rays, or to artificial heat. I then, speculating on the probability of our being enabled by some such process as the one I then named, to copy pictures and the like, proposed the name of THERMOGRAPHY, to distinguish it from Photography.