The Universal Preceptor: Being a General Grammar of Arts, Sciences, and Useful Knowledge ...A. Phelps, 1826 - 312 страница |
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Страница 11
... turning over the soil , the chief implements of the gardener are the spade , the hoe , and the mattock ; and those of the farmer , are the plough , the harrow , the roller , the scyt'ee , and the sickle . 38. As a succession of the same ...
... turning over the soil , the chief implements of the gardener are the spade , the hoe , and the mattock ; and those of the farmer , are the plough , the harrow , the roller , the scyt'ee , and the sickle . 38. As a succession of the same ...
Страница 19
... turn into sub ́stances called oxides : the process is called oxidation . 79. If 10 lbs . of lead be melted and heated in this manner , it will be converted into an oxide called red lead ; and the red lead so produced , will be found to ...
... turn into sub ́stances called oxides : the process is called oxidation . 79. If 10 lbs . of lead be melted and heated in this manner , it will be converted into an oxide called red lead ; and the red lead so produced , will be found to ...
Страница 56
... turn an axle of one foot , the power acting at the circumference of the large wheel , moves over twelve times the space which the circumference of the axle moves ; hence 12 cwt . may be raised with the power of one cwt . Obs . — All ...
... turn an axle of one foot , the power acting at the circumference of the large wheel , moves over twelve times the space which the circumference of the axle moves ; hence 12 cwt . may be raised with the power of one cwt . Obs . — All ...
Страница 58
... turns a cylinder , and this cylinder setts the whole in motion . Watches are kept in motion by a coiled spring which , in seeking to uncoil itself , exerts a power that gives motion to one wheel , which turns all the others . Obs . A ...
... turns a cylinder , and this cylinder setts the whole in motion . Watches are kept in motion by a coiled spring which , in seeking to uncoil itself , exerts a power that gives motion to one wheel , which turns all the others . Obs . A ...
Страница 71
... turn itself at pleasure , it would always point to the north part of the world . Hence , if a seaman took with him to sea one of these loadstones , he was enabled to tell the north , and keep a journal of his course . When from the ...
... turn itself at pleasure , it would always point to the north part of the world . Hence , if a seaman took with him to sea one of these loadstones , he was enabled to tell the north , and keep a journal of his course . When from 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