The Mechanic's Magazine, Museum, Register, Journal and Gazette, Band 37 |
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Seite 13
How then are we to account for these erroneous assertions , but by assuming , lst
, That he had not witnessed the proper combustion of the gases , which alone
produces flame , and that he had not adopted the means of looking into the flues
?
How then are we to account for these erroneous assertions , but by assuming , lst
, That he had not witnessed the proper combustion of the gases , which alone
produces flame , and that he had not adopted the means of looking into the flues
?
Seite 92
The roll . tween two rails , on which I have built a ing is effected by means of
channelied pieces moveable frame , with a roof covered with a of cast iron , or
steel , which we will denomi . tarpauling . This skeleton of a house an nate
swages .
The roll . tween two rails , on which I have built a ing is effected by means of
channelied pieces moveable frame , with a roof covered with a of cast iron , or
steel , which we will denomi . tarpauling . This skeleton of a house an nate
swages .
Seite 95
It will be evident that if the pressure within the pipe be too great , the piston will be
forced up in its cylinder , which , by means of the connexion with the balance
lever , will partially close the sliding valve , and vice versa . Claim .- “ I do not
claim ...
It will be evident that if the pressure within the pipe be too great , the piston will be
forced up in its cylinder , which , by means of the connexion with the balance
lever , will partially close the sliding valve , and vice versa . Claim .- “ I do not
claim ...
Seite 477
RECENT AMERICAN PATENTS . Jo . JOSEPH WARREN , OF HEYBRIDGE , for
pliances , by means of which ( after the furcertain improvements in ploughs . May
9 , nace - door is closed ) it is gradually brought 1842 . to a state of equilibrium ...
RECENT AMERICAN PATENTS . Jo . JOSEPH WARREN , OF HEYBRIDGE , for
pliances , by means of which ( after the furcertain improvements in ploughs . May
9 , nace - door is closed ) it is gradually brought 1842 . to a state of equilibrium ...
Seite 604
A dients have become thoroughly amalgamated ; steel plate is next made red -
hot , on which it is then drawn off , by means of a tap , on the hub or sinker is
placed , and , by repeated to slabs , and allowed to cool , after which it blows , the
...
A dients have become thoroughly amalgamated ; steel plate is next made red -
hot , on which it is then drawn off , by means of a tap , on the hub or sinker is
placed , and , by repeated to slabs , and allowed to cool , after which it blows , the
...
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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
Beliebte Passagen
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.