Excerpt from Lectures on Select Subjects in Mechanics, Hydrostatics, Pneumatics, Optics, and Astronomy
Let the pipe A C be elevated to 10 degrees upon the quadrant, and filled with water; then part of the water that is in it will rise in the pipe A B, and if it be kept full of water, it will raise the water in the pipe A B from A to i; that is, to a level i 10 with the mouth of the pipe at 10: and the upright line a 10 equal to A i, will be the sine of 10 degrees' elevation which, being measured upon the scale S, will be about of such parts as the pipe contains 100 in length and therefore: the force or pressure of the water at A in the pipe A 10, will be to the force or pressure at A in the pipe A B, as to 100.
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Paperback. Condition: New. Print on Demand. This book is a historical and scientific account of astronomy, from its roots in ancient philosophies through the development of the telescope to the advanced astronomy of the 18th century. The author was an astronomer, instrument maker, and lecturer who maintained a correspondence with prominent scientists, including Newton, and assisted greatly in spreading scientific knowledge. The text provides a comprehensive view of astronomy as it was understood in the 18th century, with an emphasis on the latest discoveries related to planets, gravity, and the origins of the universe. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Seller Inventory # 9780282401344_0
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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LW-9780282401344
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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LW-9780282401344
Quantity: 15 available