ence on the starboard only move in a horizontal direction. was made to the fine five inch telescope belonging to side in the locality of the engine, and a reaction pres- A series of experiments were carried out with the in- Mr. A. E. Beach, one of the proprietors of the ScrEn- sure downward on the… … usual way. mensions steadily grew, the Pneumatic cylinders are period of the vibrations be- supported under the free came steadily longer, while ends of the levers by arms the necessary greater en- attached to the base plate. gine power, which was re- These cylinders contain pistons, which are…
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![An illustration from Essai de physique, par Mr. Pierre van Musschenbroek ... avec une description de nouvelles sortes de machines pneumatiques, et un recueil d'expériences par Mr. J. v[an] M[usschenbroek] Traduit du hollandois par Mr. Pierre Massuet .. (1751)](https://img.insideoutlibrary.com/img/200/ia-essaidephysiquep02muss-165-43.webp)
![An illustration from Original microscopic drawings made between the years 1824 and 1840 mostly published in works by Dr. Goring & A. Pritchard [graphic]. (1824)](https://img.insideoutlibrary.com/img/200/wellcome-wellcome_b21301177-88-1.webp)