The Universal Preceptor: Being a General Grammar of Arts, Sciences, and Useful Knowledge ...A. Phelps, 1826 - 312 страница |
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Страница 11
... turned up to the air , and to have mixed with it manures of animal dungs , decayed vegetables , lime , marl , sweepings of streets , & c . 37. In turning over the soil , the chief implements of the gardener are the spade , the hoe , and ...
... turned up to the air , and to have mixed with it manures of animal dungs , decayed vegetables , lime , marl , sweepings of streets , & c . 37. In turning over the soil , the chief implements of the gardener are the spade , the hoe , and ...
Страница 58
... turned by some pow- er , move greater or smaller wheels , or give new direc- tions to the force . 191. A small wheel , with eight cogs or teeth , mov- ing another which has forty cogs , diminishes the mo- tion of the axle of the larger ...
... turned by some pow- er , move greater or smaller wheels , or give new direc- tions to the force . 191. A small wheel , with eight cogs or teeth , mov- ing another which has forty cogs , diminishes the mo- tion of the axle of the larger ...
Страница 84
... turning a wheel on a fixed axis , all the parts of the circumference will successively present themselves to different objects , but the axis will continue to point to the same place . If the wheel be supposed to be a globe revolving on ...
... turning a wheel on a fixed axis , all the parts of the circumference will successively present themselves to different objects , but the axis will continue to point to the same place . If the wheel be supposed to be a globe revolving on ...
Страница 88
... turning to and from the sun , produce to their inhabitants , alternate light and darkness , or day and night ; so that their seasons and years are produced by the grand revolution round the sun ; and their days and nights by turning on ...
... turning to and from the sun , produce to their inhabitants , alternate light and darkness , or day and night ; so that their seasons and years are produced by the grand revolution round the sun ; and their days and nights by turning on ...
Страница 97
... turned round , it will be observed , that the circles performed by any parts of the surface are unequally divided by the light ; and that it will be constant day near the north pole , and that all the pheno- mena will be reversed in the ...
... turned round , it will be observed , that the circles performed by any parts of the surface are unequally divided by the light ; and that it will be constant day near the north pole , and that all the pheno- mena will be reversed in the ...
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acid acre ancient angle animals aqueous humour Asia atmosphere atoms blood bodies Britain Cæsar called carbon carbonic acid cause chief chyle circle clouds colours combined consists copper countries degrees distance divided division duce earth effect electrical England English equal equator fall fire fluid force four glass globe half hatchment heat heavens Hence inches inhabitants insects iron islands Julius Cæsar Jupiter kinds lacteals land lens light lines matter Mercury metals miles millions mineral moon motion move nations nature nerves north pole object Obs.-The ocean optic nerve orbit oxygen pass phenomena pistil plants pounds principle produce proportion quadrupeds rays round Saturn savage nations sense side soil solid Sophism south pole species stamens stars stone substance sulphur sulphuric acid supposed surface Syllogism telescope tion tribes various vegetables velocity vibrations whole winds