The Universal Preceptor: Being a General Grammar of Arts, Sciences, and Useful Knowledge ...J. M'Gowan for Sir R. Phillips, 1820 - 364 страница |
Из књиге
Резултати 6-10 од 43
Страница 62
... five feet , while the stone moves only one . foot ; because 100 multi- plied by five , is equal to 500 multiplied by one . 177. 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 multi- plied by five , is equal to 500 multiplied by one . 177. This increase of motion in the arm is effected by the lever ; because the motion of one end is in the same ...
Страница 63
... 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 . 178. The grand principle , then , of mecha- nics ...
... 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 . 178. The grand principle , then , of mecha- nics ...
Страница 65
... five times , and this is the common - windlass . Some wheels are destined to effect certain ob- jects without increase of power , as in clocks or watches . Sometimes , a greater power is applied to produce increased motion , as in the ...
... five times , and this is the common - windlass . Some wheels are destined to effect certain ob- jects without increase of power , as in clocks or watches . Sometimes , a greater power is applied to produce increased motion , as in the ...
Страница 67
... will raise 30,000,000 of pounds one foot high ; or it will grind and dress three sacks of wheat , slit nad draw into daily five ewt : of iron , and drive at the same time 1,000 cotton spindles . Steam Engines have. MECHANICAL POWERS . 67.
... will raise 30,000,000 of pounds one foot high ; or it will grind and dress three sacks of wheat , slit nad draw into daily five ewt : of iron , and drive at the same time 1,000 cotton spindles . Steam Engines have. MECHANICAL POWERS . 67.
Страница 72
... five thousand pins in a day ; or five thousand to each person ! 198. Labour likewise subdivides itself nu- merously in every branch of the elegant and useful arts . Thus , in building , there are , the brickmaker , the stone - mason ...
... five thousand pins in a day ; or five thousand to each person ! 198. Labour likewise subdivides itself nu- merously in every branch of the elegant and useful arts . Thus , in building , there are , the brickmaker , the stone - mason ...
Друга издања - Прикажи све
Чести термини и фразе
acid acre adapted Africa ancient angle animals Asia atoms blood bodies bound Britain called cause chief chyle clouds colours combined consists containing countries David Blair degrees distance divided division earth Edition effect electrical England English equal equator fall fluid force four Geography glass globe Grammar hatchment heat heavens Hence inches inhabitants insects iron islands JAMES MORRISON Julius Caesar Jupiter lens light LINDLEY MURRAY Mercury metals METIC miles millions Moon motion move nations nature nerves north pole object Ocean optic nerve orbit oxygen pass phenomena pistil plants Price 18 principle produce proportion rays RICHMAL MANGNALL round savage Schools side solid south pole species stamens stars stone substance sulphur sulphuric acid supposed surface Syllogism telescope tion tribes various vegetables velocity vibrations vitreous humour weight whole Young Persons
Популарни одломци
Страница 43 - That the raising or keeping a standing army within the kingdom in time of peace, unless it be with consent of parliament, is against law.
Страница 43 - That the freedom of speech and debates or proceedings in parliament ought not to be impeached or questioned in any court or place out of parliament.
Страница 95 - twere not absurd To doubt if beams, set out at Nature's birth, Are yet arriv'd at this so foreign world, Though nothing half so rapid as their flight. An eye of awe and wonder let me roll, And roll for ever.
Страница 43 - And that for redress of all grievances, and for the amending, strengthening, and preserving of the laws, parliaments ought to be held frequently. And they do claim, demand, and insist upon all and singular the premises, as their undoubted rights and liberties...
Страница 267 - Tis still as hard, if we this scheme believe, The cause of light's swift progress to conceive. With thought from prepossession free, reflect On solar rays, as they the sight respect. The beams of light had been in vain display'd, Had not the eye been fit for vision made: In vain the author had the eye prepared "With so much skill, had not the light appear'd.
Страница 95 - And roll for ever : who can satiate sight In such a scene ? in such an ocean wide Of deep astonishment? where depth, height, breadth, Are lost in their extremes ; and where, to count The thick-sown glories in this field of fire, Perhaps a seraph's computation fails.
Страница 91 - Mercury completes his transient year, Glowing, refulgent, with reflected glare ; Bright Venus occupies a wider way, The early harbinger of night and day ; More distant still our globe terraqueous turns, Nor chills intense, nor fiercely heated burns ; Around her rolls the lunar orb of light, Trailing her silver glories through the night ; On the earth's orbit...