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Efficiency test of Mabbs Electric Elevators at the Chicago Board of Trade
Title
Efficiency test of Mabbs Electric Elevators at the Chicago Board of Trade
Creator
Eickenberg, Philip, Mabbs, John Kenneth
Date
2009, 1911
Publisher
Armour Institute of Technology
Description
http://www.archive.org/details/efficiencytestof00eick
Thesis (B.S.)--Armour Institute of Technology, 1911 B.S. in Electrical Engineering, 1911