The Universal Preceptor: Being a General Grammar of Arts, Sciences, and Useful Knowledge ...A. Phelps, 1826 - 312 страница |
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Страница 7
... fire . 12. The art of swimming , depends , first , on keep- ing the arms and hands under the water ; on protrud- ing only the face and a part of the head out of the water ; and then using such action , as will direct the body in any ...
... fire . 12. The art of swimming , depends , first , on keep- ing the arms and hands under the water ; on protrud- ing only the face and a part of the head out of the water ; and then using such action , as will direct the body in any ...
Страница 8
... fire ; but this was an art not known to all barbarous people . The inhabitants of the Ladrones considered fire as an invisible monster , when the Spaniards first introduced it among them . 16. The Persians , and other eastern nations ...
... fire ; but this was an art not known to all barbarous people . The inhabitants of the Ladrones considered fire as an invisible monster , when the Spaniards first introduced it among them . 16. The Persians , and other eastern nations ...
Страница 19
... fire for a considerable time , they also im- bibe oxygen from the atmosphere ; and 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 ...
... fire for a considerable time , they also im- bibe oxygen from the atmosphere ; and 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 ...
Страница 20
... fires . 83. Gold is 19 times heavier than water ; and the most valuable of all the metals . It is so malleable , that an ounce of it will gild a silver wire 13,000 miles in length and it may be beaten into leaves ; 300,000 of which ...
... fires . 83. Gold is 19 times heavier than water ; and the most valuable of all the metals . It is so malleable , that an ounce of it will gild a silver wire 13,000 miles in length and it may be beaten into leaves ; 300,000 of which ...
Страница 21
... fire with flint . Obs . - The loadstone , which possesses the singular and un- accountable property of always pointing to the north , is an ore of iron . Red and yellow ochres are impure oxides of iron : general- ly where redness is ...
... fire with flint . Obs . - The loadstone , which possesses the singular and un- accountable property of always pointing to the north , is an ore of iron . Red and yellow ochres are impure oxides of iron : general- ly where redness is ...
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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