London Journal of Arts and Sceinces: And Repertory of Patent Inventions, Volume 4William Newton, Charles Frederick Partington W. Newton, 1822 - Industrial arts |
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Page 6
... inches broad , with ledges to protect its strap , or belt , from sliding off ; and directly under this pulley there must be a drum , y , constantly revolving , the periphery of which is going at the rate of about four feet per second ...
... inches broad , with ledges to protect its strap , or belt , from sliding off ; and directly under this pulley there must be a drum , y , constantly revolving , the periphery of which is going at the rate of about four feet per second ...
Page 7
... inches diameter ; the cogged wheel upon its axle has 104 teeth . The bar- rel of i , is one foot diameter , and the cogged wheel upon one end of its axle has 30 teeth ; that upon the other end 54. The pinion m , taking into it , has 13 ...
... inches diameter ; the cogged wheel upon its axle has 104 teeth . The bar- rel of i , is one foot diameter , and the cogged wheel upon one end of its axle has 30 teeth ; that upon the other end 54. The pinion m , taking into it , has 13 ...
Page 21
... inches , which is more than twice that of the plough , as used in the counties of Durham and Northumberland ; and , instead of the har- dened level bottom not easily if at all penetrable in strong clayey sub - soils , by either ...
... inches , which is more than twice that of the plough , as used in the counties of Durham and Northumberland ; and , instead of the har- dened level bottom not easily if at all penetrable in strong clayey sub - soils , by either ...
Page 22
... inches , the plants in both cases being twelve in each yard . These experiments were made two years successively ; the least produce was fifty - two , and the greatest sixty - two bushels , Winchester measure , per acre . The quantity ...
... inches , the plants in both cases being twelve in each yard . These experiments were made two years successively ; the least produce was fifty - two , and the greatest sixty - two bushels , Winchester measure , per acre . The quantity ...
Page 23
... , transpl . from the seed - bed into 6 inch lines , produced 621 . ........... ditto .................. ditto ...... 56 3 , ........... ditto ...... 12 ... 4 , sown in drills . 5 , Sown broadcast ............ .ditto ...... 61 .
... , transpl . from the seed - bed into 6 inch lines , produced 621 . ........... ditto .................. ditto ...... 56 3 , ........... ditto ...... 12 ... 4 , sown in drills . 5 , Sown broadcast ............ .ditto ...... 61 .
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1st Sat 2d Sat acid action alpaco anchor animal annatto apparatus appears applied axle balance spring bars boat boiler bottom carbonic acid carriage chevaux-de-frise colour conj consists construction containing copper Coppermine River cylinder described Diff drawing rollers eclipsed effect employed engine engraving essential oil experiments feet fixed furnaces heat holes Holyhead improved inches Institution invention iron joints June labour lamp leeches length lever London machine magnesia manual labour manufacture means ment metal method Middlesex mode months for inrolment muriate observations obtained operation paddles passing patent Perigee piece pipe placed plate present produced proposed purpose quantity reservoir revolving rollers ropes round screw Sealed shank shewn side Society spade specific gravity specification spring steam steam-engine substance surface tallow temperature timber tion tube upper verdigris vessel vicuna volume wheel wick wrought iron
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