Koff, Richard M. How does it work? / [electronic resource] / by Richard M. Koff ; illustrated by the author and Richard E. Rooman.. — [New York] : : New American Library,, [1968, c1961]. — 303 p. : : ill. ; 18 cm.

Includes index.



ISBN: $1.25

LCCN:

Subjects--Topical Terms:
Machinery.
Tools.
Electric apparatus and appliances.

LC Class. No.: TJ147 / .K6 1968

Dewey Class. No.: 621.9 / Ko