Journal of the Franklin Institute, Volume 9Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-1859. cf. Index to v. 1-120 of the Journal, p. [415] |
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Page 71
To this sunmary should be added two other improvements described and claimed in the patent , viz . , the employment of a spiral propeller at the bottom of the boat , with the shaft vertical , for the purpose of forcing the boat under ...
To this sunmary should be added two other improvements described and claimed in the patent , viz . , the employment of a spiral propeller at the bottom of the boat , with the shaft vertical , for the purpose of forcing the boat under ...
Page 82
66 ing the flue spaces , that the draught can pass either directly out , or duwn the back , under , up the front , and over the top of the oven , and between it and the bottom of the fire chamber . In the back fiue spaces there are two ...
66 ing the flue spaces , that the draught can pass either directly out , or duwn the back , under , up the front , and over the top of the oven , and between it and the bottom of the fire chamber . In the back fiue spaces there are two ...
Page 86
the top pipe , down the first tier of drums , through the bottom pipe , up the second tier of drums , and through the top pipe into the chimney ; the whole is to be surrounded by a hot air chamber of masonry . Claim .
the top pipe , down the first tier of drums , through the bottom pipe , up the second tier of drums , and through the top pipe into the chimney ; the whole is to be surrounded by a hot air chamber of masonry . Claim .
Page 87
This is for an improvement in the mode of heating the heating the space between the bottom plate of the upper , and the top plate of the lower , oven , such spaces having long since been used in cooking stoves , but not arranged as this ...
This is for an improvement in the mode of heating the heating the space between the bottom plate of the upper , and the top plate of the lower , oven , such spaces having long since been used in cooking stoves , but not arranged as this ...
Page 91
The grates at the bottom of the fire chamber , on which the fuel rests , are tubular , and communicate at the back with a chamber at the back of the fire chamber , the upper part of which extends over this air chamber in the form of a ...
The grates at the bottom of the fire chamber , on which the fuel rests , are tubular , and communicate at the back with a chamber at the back of the fire chamber , the upper part of which extends over this air chamber in the form of a ...
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Popular passages
Page 258 - Having now particularly described and ascertained the nature of my said invention and in what manner the same is to be performed, I declare that what I claim is (d).
Page 43 - Happy is the man that findeth wisdom, and the man that getteth understanding. For the merchandise of it is better than the merchandise of silver, and the gain thereof than fine gold.
Page 153 - Committee appointed to inquire into the merits of the atmospheric system of railway have examined the matters to them referred, and have agreed to the following Report. Your Committee have given their best attention to this interesting subject.
Page 105 - ... constructed and arranged substantially in the manner and for the purpose herein set forth.
Page 305 - Ocean, the first thing which strikes us is, that, the north-east and south-east monsoons, which are found the one on the north and the other on...
Page 371 - I claim the manner in which the bricks are received, compressed, and delivered ; but what I do claim as my invention, and which I desire to secure by letters patent, is the...
Page 266 - 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.
Page 177 - ... with the solid portion of the coal. From the chemical changes which take place in the combination of the hydrogen with oxygen, the bulk of the products is found to be to the bulk of the atmospheric air required to furnish the oxygen, as 10 is to 11.
Page 99 - Having thus fully described my invention, what I claim therein as new, and desire to secure by letters patent, is...
Bibliographic information
| Title | Journal of the Franklin Institute, Volume 9 Volumes 282-287 of American periodical series, 1800-1850 |
| Contributor | Franklin Institute (Philadelphia, Pa.) |
| Publisher | Pergamon Press, 1845 |
| Original from | the University of Michigan |
| Digitized | 11 Sep 2007 |
| Export Citation | BiBTeX EndNote RefMan |