Hoists, cranes, and derricks
By: [by] Herbert S. Zim [and] James R. Skelly. Illustrated by Gary Ruse.
Contributors: Skelly, James R., joint author.; Ruse, Gary, illus.
Publisher: Morrow
Published: 1969
Place of publication: New York
Language: eng
Number of pages: 59
Subjects: Cranes, derricks, etc. -- Juvenile literature.; Cranes, derricks, etc.
Description: Describes the three types of lifting machines, the jobs they are designed to do, and the duties of the men who operate them.