Pamphlet, white laid-paper covers printed in black and red, staple bound. 24 pages. Printed and bound at the Princeton University Press. Illustrated with drawings. First edition, stated first printing. A copy of the address presented before The Newcomen Society in North America, in Los Angeles, California on November 20, 1972 by both the Chairman of the Board of Directors and the President of Borax. No previous ownership marks. White covers clean, interior unmarked. A tight, clean and sound copy. Very good+.