232с

1941г

1 1-blH 3K3.J'

ELECTRIC LIFTS

A Practical Treatise on their Construction Operation and Maintenance

"CONTACTOR "

GENERAL EDITOR

E. MOLLOY, Editor of Electrical Engineer

WITH 97 DIAGRAMS AND PHOTOGRAPHS

GEORGE NEWNES LIMITED TOWER HOUSE, SOUTHAMPTON STREET STRAND, W.C.2

BY

LONDON