A New and Complete Dictionary of Arts and Sciences: Comprehending All the Branches of Useful Knowledge, with Accurate Descriptions as Well of the Various Machines, Instruments, Tools, Figures, and Schemes Necessary for Illustrating Them, as of the Classes, Kinds, Preparations, and Uses of Natural Productions, Whether Animals, Vegetables, Minerals, Fossils, Or Fluids; Together with the Kingdoms, Provinces, Cities, Towns, and Other Remarkable Places Throughout the World, Band 4W. Owen, 1764 - 3506 Seiten |
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Seite 2788
... round at the bottom ; fome use black flates inftead of them : their use is to pull down thofe lifes , which the work- man had raised by the treddle , after his foot is taken off . 8 , The branches or cords of the ground harnefs , which ...
... round at the bottom ; fome use black flates inftead of them : their use is to pull down thofe lifes , which the work- man had raised by the treddle , after his foot is taken off . 8 , The branches or cords of the ground harnefs , which ...
Seite 2800
... round the circumference of a wheel , whether circular or polygonous , the head of the one applied to the tail of another , and the wheel put in motion ; as one rocket is fpent , another will take fire ; and the wheel be continued in its ...
... round the circumference of a wheel , whether circular or polygonous , the head of the one applied to the tail of another , and the wheel put in motion ; as one rocket is fpent , another will take fire ; and the wheel be continued in its ...
Seite 2806
... round rollers of different bigneffes , to be as in the following table . 1 inches diameter in oz . Retistance about a rolle : avoirdupois . ropes , expreffed in in oz . avoirdupois . Weights ftretching the of half an inch diameter ...
... round rollers of different bigneffes , to be as in the following table . 1 inches diameter in oz . Retistance about a rolle : avoirdupois . ropes , expreffed in in oz . avoirdupois . Weights ftretching the of half an inch diameter ...
Seite 2807
... round the fails . 5 . Breaft - rope , that made faft to the shrouds in the chains , to fupport the man that heaves the lead . 6. Bucket - rope , that which is tied to the bucket , for hauling up water . 7. Buoy - rope , that which is ...
... round the fails . 5 . Breaft - rope , that made faft to the shrouds in the chains , to fupport the man that heaves the lead . 6. Bucket - rope , that which is tied to the bucket , for hauling up water . 7. Buoy - rope , that which is ...
Seite 2809
... round because the wheel turns , and can only turn with it , and in the fame time . Hence it follows , that its cireular velocity is less than that of the circumference of the wheel , in the ratio of the two circum- ferences and ...
... round because the wheel turns , and can only turn with it , and in the fame time . Hence it follows , that its cireular velocity is less than that of the circumference of the wheel , in the ratio of the two circum- ferences and ...
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