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ENGINEER'S OFFICE, CHESAPEAKE AND OHIO RAILROAD,
MAJOR HOWARD has given in this book a simple, yet perfectly accurate method of ascertaining the solid contents of any prismoid. The calculation from end areas is corrected by tables well arranged and few in number, and he has all the accuracy of the prismoidal formula with scarcely more trouble than in averaging end areas.
H. D. WHITCOMB,
Chief Engineer Chesapeake and Ohio Railroad..
Chief Engineer Richmond, Fredericksburg, and Potomac Railroad.
ON THE BASIS OF THE
CONTAINING A SIMPLE AND LABOR-SAVING METHOD OF
OBTAINING PRISMOIDAL CONTENTS DIRECTLY FROM END AREAS.
ILLUSTRATED BY EXAMPLES,
AND ACCOMPANIED BY PLAIN RULES FOR PRACTICAL USE.
CONWAY R. HOWARD,
CIVIL ENGINEER, RICHMOND, VA.