Worthington tandem compound steam pumps
Westminster School-room
Vertical cylinder
Various levels of the Eiffel Tower
Teagle elevator in an English mill about 1845
Spanish sailors in a storm
Siemens’ electric rack-climbing elevator of 1880
Section through cabin of the Otis elevator
Rope-geared hydraulic freight elevator
Passengers changing cars
Motor and drive mechanism of Siemens’ elevator
Morse Elevator
General arrangement of the Roux Combaluzier
General arrangement of Otis Elevator in the tower
Final development
English direct plunger Elevator
Eiffel Tower 1889
Correcting erection discrepancies
Chimney Sweeping Described
Backmann’s proposed helicoidal elevator
Armstrong’s hydraulic crane
A view of Westminster