Elevator world educational package and reference library.

Wedi'i Gadw mewn:
Manylion Llyfryddiaeth
Awdur Corfforaethol: Elevator World (Firm). Educational Division
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: Mobile, AL (P.O. Box 6507, Loop Branch, Mobile 36606) : Elevator World, Educational Division, 1990-1994.
Pynciau:
Tabl Cynhwysion:
  • v. 1. Elevator control & operation
  • v. 2. Elevator maintenance & traffic
  • v. 3. Construction, performance & hydraulics
  • v. 4. Escalators and moving walks (1953-1993). Modernization update (1989-1992). Multi-directional safeties update (1986-1993). Operation and control update (1990-1993). Earthquakes/fire update (1986-1993).