Copyright © 1965 by Dover Publications, Inc.
All rights reserved under Pan American and International Copyright Conventions.
Published in Canada by General Publishing Company, Ltd., 30 Lesmill Road, Don Mills, Toronto, Ontario.
Published in the United Kingdom by Constable and Company, Ltd., 10 Orange Street, London W.C.2.
This Dover edition, first published in 1965, is an unabridged republication of the English translation first published by William Creech in 1790, to which has been added a new introduction by Douglas McKie, D. Sc., Ph. D., F.R.S.E., Professor of the History of Science, University College London.
International Standard Book Number; 0-436-64624-6
Library of Congress Catalog Card Number 65-1551
Manufactured in the United States of America
Dover Publications, Inc.
180 Varick Street
New York, N.Y. 10014
