The Universal Preceptor: Being a General Grammar of Arts, Sciences, and Useful Knowledge ...A. Phelps, 1826 - 312 страница |
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Страница 54
... fall Unpitied victims , at ambition's shrine . X. Of the Mechanical Powers . 180. Without the aid of art , man could not raise massy stones to the tops of churches and palaces ; he could not apply immense beams of timber to his purposes ...
... fall Unpitied victims , at ambition's shrine . X. Of the Mechanical Powers . 180. Without the aid of art , man could not raise massy stones to the tops of churches and palaces ; he could not apply immense beams of timber to his purposes ...
Страница 57
... falling , those in it are thrown forward ; not from the position of the chaise , but owing to the motion which has been communicated to their bodies . 2. Hence also , rollers are very useful assistants in MECHANICAL POWERS . 57.
... falling , those in it are thrown forward ; not from the position of the chaise , but owing to the motion which has been communicated to their bodies . 2. Hence also , rollers are very useful assistants in MECHANICAL POWERS . 57.
Страница 59
... falls when the steam is condens- ed by cold water thrown in for the purpose . An upright iron rod is fixed to that lid , and to one end of a large beam ; which , in consequence , has an action communicated to it similar to that of a see ...
... falls when the steam is condens- ed by cold water thrown in for the purpose . An upright iron rod is fixed to that lid , and to one end of a large beam ; which , in consequence , has an action communicated to it similar to that of a see ...
Страница 91
... fall on it , and darken or eclipse the moon ; and that every time the moon passes be- tween the sun and earth , the moon's shadow would eclipse the sun . 278. The moon , however , ascends and descends five degrees in every revolution ...
... fall on it , and darken or eclipse the moon ; and that every time the moon passes be- tween the sun and earth , the moon's shadow would eclipse the sun . 278. The moon , however , ascends and descends five degrees in every revolution ...
Страница 94
... fall towards its centre ; because , according to Sir R. Phillips , they perform rotations inverse- ly as their density , or seek to exhibit equal momenta in re- volving with the mass . All men , and every thing called up . right , stand ...
... fall towards its centre ; because , according to Sir R. Phillips , they perform rotations inverse- ly as their density , or seek to exhibit equal momenta in re- volving with the mass . All men , and every thing called up . right , stand ...
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