The Franklin Journal, and American Mechanics' Magazine1848 |
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Seite 25
... says , " The nature of my invention consists in the combination of levers , so arranged as to divide the downward pres- sure on to two fulcrums instead of one , to shorten the levers and in- crease their effect , while the whole ...
... says , " The nature of my invention consists in the combination of levers , so arranged as to divide the downward pres- sure on to two fulcrums instead of one , to shorten the levers and in- crease their effect , while the whole ...
Seite 27
... says , " The nature of my invention consists in the combination of a conical runner stone with a stationary stone and case , so that the two stones should , by their action , break the hulls of the grain passed between them , and the ...
... says , " The nature of my invention consists in the combination of a conical runner stone with a stationary stone and case , so that the two stones should , by their action , break the hulls of the grain passed between them , and the ...
Seite 30
... says , " The great objections which have been met with in the use of windlass bedsteads , as they now are , and have ... say , - " The nature of our invention consists in con- structing a cooking stove in such a manner as that it can be ...
... says , " The great objections which have been met with in the use of windlass bedsteads , as they now are , and have ... say , - " The nature of our invention consists in con- structing a cooking stove in such a manner as that it can be ...
Seite 31
... says , - " In sewing a seam with my machine two threads are employed , one of which threads is carried through the ... say an eighth of an inch , of its inner or pointed end . The other or outer end of the needle is held by an arm that ...
... says , - " In sewing a seam with my machine two threads are employed , one of which threads is carried through the ... say an eighth of an inch , of its inner or pointed end . The other or outer end of the needle is held by an arm that ...
Seite 34
... says , " The nature of my improvement consists in the manner in which I have attached the scale beam to the platform ... say , I claim in combination the providing of the inner box or coffer with doors at its lower part , which , when ...
... says , " The nature of my improvement consists in the manner in which I have attached the scale beam to the platform ... say , I claim in combination the providing of the inner box or coffer with doors at its lower part , which , when ...
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acid acrolein action apparatus applied arranged atmospheric attached boiler braces bridge carriage cast iron chamber claim Claim."What coal combination connected connexion constructed copper cutters cylinder deposited desire to secure diameter dilatation discharge draw rollers effect elastic force engine experiments feet flue frame FRANKLIN INSTITUTE frustrum furnace glass gutta percha heat Improvement inches invention consists length letters patent lever lode machine magnet manner described manufacture means ment mercury metal method miles mode motion operation oven oxide pass patentee says Pennsylvania Philadelphia piece piezometer pipe piston placed plate Premium present pressure produced pump purpose quantity railroad railway road rollers salt screw secure by letters shaft side sliding spring steam stove substance substantially as described sulphuric sulphuric acid surface temperature thermometer tion tube U. S. Patent Office upper valve vapor vertical vessel weight wheel whole wire York