Cover image for Electric elevators: their construction and operation
Electric elevators: their construction and operation
Title:
Electric elevators: their construction and operation
Author:
Henderson, Elmer G.
Personal Author:
Publication Information:
Chicago : The Branch Pub. Co., 1915.
Physical Description:
2 pages l., 90 pages, 2 unnumbered pages : illustrations, tables, diagram ; 19 cm
Language:
English
Subject Term:
Format :
Book