""An Essay On The Air-Pump And Atmospheric Railway: Containing Formulae And Rules"" is a book written by William Turnbull and originally published in 1847. The book is a scientific treatise on the air-pump and atmospheric railway, which were two important inventions of the 19th century. The air-pump is a device used to create a vacuum, while the atmospheric railway is a system of transportation that uses air pressure to propel trains. The book provides a detailed explanation of the principles behind these inventions, including the laws of physics that govern their operation. It also includes numerous formulae and rules that can be used to calculate various aspects of their performance. The author, William Turnbull, was a Scottish engineer and inventor who made important contributions to the development of the steam engine and other technologies. In this book, he shares his knowledge and insights into the workings of the air-pump and atmospheric railway, making it an invaluable resource for anyone interested in the history of science and technology. Overall, ""An Essay On The Air-Pump And Atmospheric Railway: Containing Formulae And Rules"" is a fascinating and informative book that sheds light on two important inventions of the 19th century and the scientific principles that underlie them.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.