Electric elevators
Title:
Electric elevators
Author:
Hymans, Frederick, 1875-
Personal Author:
Publication Information:
Scranton, Pa. : International Textbook Company, [1934]
Physical Description:
volumes pages, 71 pages, 57 pages, 61 pages : illustrations, diagrams (part folded) ; 20 cm.
Language:
English
Contents:
Electric elevator motors.--Electric elevator operation.--Care and maintenance of electric elevators.
Format :
Book