Protection of lift-shafts, and safety devices in connection with lift-doors and controlling gear
By: by Henry C. Walker
Contributors: Institution of Mechanical Engineers (Great Britain)
Publisher: Institution of Mechanical Engineers
Published: 1902
Place of publication: London]
Language: eng
Number of pages: 10
Notes: Caption title.

At head of title: [Subject to revision] ... (Intended to be read on Friday, 21st March, 1902) ...