The Universal Preceptor: Being a General Grammar of Arts, Sciences, and Useful Knowledge ...A. Phelps, 1826 - 312 страница |
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Страница 55
... five feet , while the stone moves only one foot ; because 100 multiplied by five is equal to 500 multi- plied by one . 184. This increase of motion in the arm is effected by the lever ; because the motion of one end is in the same ...
... five feet , while the stone moves only one foot ; because 100 multiplied by five is equal to 500 multi- plied by one . 184. This increase of motion in the arm is effected by the lever ; because the motion of one end is in the same ...
Страница 56
... five yards ' end , moves over five times the space that the other end does ; consequently , though pulling but 100 pounds , it will be equal to 500 pounds at the short end of the lever . 185. The grand principle , then , of mechanics is ...
... five yards ' end , moves over five times the space that the other end does ; consequently , though pulling but 100 pounds , it will be equal to 500 pounds at the short end of the lever . 185. The grand principle , then , of mechanics is ...
Страница 58
... five times , and this is the common windlass . Some wheels are destined to effect certain objects without increase of power , as in clocks or watches . Sometimes a greater power is applied to produce in- creased motion , as in the ...
... five times , and this is the common windlass . Some wheels are destined to effect certain objects without increase of power , as in clocks or watches . Sometimes a greater power is applied to produce in- creased motion , as in the ...
Страница 60
... five cwt . of iron , and drive at the same time 1,000 cotton spindles . 3. Robert Fulton , Esq . of New York , has since applied the steam engine with success , to impel boats and ships . 4. Mr Blenkinsop , of Leeds , has , with great ...
... five cwt . of iron , and drive at the same time 1,000 cotton spindles . 3. Robert Fulton , Esq . of New York , has since applied the steam engine with success , to impel boats and ships . 4. Mr Blenkinsop , of Leeds , has , with great ...
Страница 63
... five persons , thus make one hundred and twenty - five thousand pins in a day ; or five thousand to each person ! 205. Labour likewise subdivides itself numerously in every branch of the elegant and useful arts . Thus , in building ...
... five persons , thus make one hundred and twenty - five thousand pins in a day ; or five thousand to each person ! 205. Labour likewise subdivides itself numerously in every branch of the elegant and useful arts . Thus , in building ...
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