Excerpt from Short Account of Experiments and Instruments: Depending on the Relations of Air to Heat and Moisture In the meantime, it seemed desirable for the advancement of science, to promote the circulation of several instruments founded on my speculations, and to give the public more correct notions of their principle and their mode of operation. With this view, I was in duced to draw up a concise statement, in as popular a form as the regard to accuracy would admit, but which, from the accumula tion of materials, has swelled by degrees into a volume. I have only farther to add, that, in order to avoid troublesome calculations, 'i have satisfied myself with citing round num bers; but these, if not absolutely correct, are in general very near approximations to the truth. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.