DukeUnivLibraries: Rubenstein Library Old Elevator Room
DukeUnivLibraries: 1928 Otis Elevator Motor
DukeUnivLibraries: Detail of 1928 Otis Elevator Motor
DukeUnivLibraries: Pneumatic Tube Air Compressor
DukeUnivLibraries: Air Compressor Starter Switch
DukeUnivLibraries: Booklift Motors and Electrical Panel
DukeUnivLibraries: Pneumatic Tube Capsules
DukeUnivLibraries: Pneumatic Tube Capsule
DukeUnivLibraries: Detail of Electrical Panel
DukeUnivLibraries: Pneumatic Tube System
DukeUnivLibraries: Pneumatic Tube System
DukeUnivLibraries: Pneumatic Tube System
DukeUnivLibraries: Rubenstein Original 1928 Elevator Buttons
DukeUnivLibraries: Pneumatic Tube Canisters
DukeUnivLibraries: Canisters, call slips, and books
DukeUnivLibraries: Canisters, call slips, and books