The Franklin Journal, and American Mechanics' Magazine1848 |
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Seite 26
... tion with a wheel of cutters for cutting grain , or grass , so that the cutters may follow the undulations of the ground independent of , and not affected by , the up and down movement of the horse , as herein described . " " 3d . I ...
... tion with a wheel of cutters for cutting grain , or grass , so that the cutters may follow the undulations of the ground independent of , and not affected by , the up and down movement of the horse , as herein described . " " 3d . I ...
Seite 38
... tion of pressing , the feeding roller is stationary , and during the raising of the presser the feed roller is in action . I do not intend to claim the principle of compressing the straw at the mouth of the cutting - box at the moment ...
... tion of pressing , the feeding roller is stationary , and during the raising of the presser the feed roller is in action . I do not intend to claim the principle of compressing the straw at the mouth of the cutting - box at the moment ...
Seite 52
... tion of dew , and the opinions and conclusions resulting from his re- searches relative to the subject . Not being able to afford space for the whole , we translate such portions as appear to us sufficient to ex- plain the views of the ...
... tion of dew , and the opinions and conclusions resulting from his re- searches relative to the subject . Not being able to afford space for the whole , we translate such portions as appear to us sufficient to ex- plain the views of the ...
Seite 58
The agency of air in thus augmenting the cold produced by radia- tion , he explains as follows : It has been known , for a number of years , that the nocturnal cooling of bodies does not vary with the tem- perature of the atmosphere ...
The agency of air in thus augmenting the cold produced by radia- tion , he explains as follows : It has been known , for a number of years , that the nocturnal cooling of bodies does not vary with the tem- perature of the atmosphere ...
Seite 62
... tion consists in subjecting the anthracite or stone - coal to heat , before introducing it into the refinery furnace . The preparatory heating may be effected in any convenient way : and the coal may be used either in an ignited or ...
... tion consists in subjecting the anthracite or stone - coal to heat , before introducing it into the refinery furnace . The preparatory heating may be effected in any convenient way : and the coal may be used either in an ignited or ...
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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