Elevator (lift) by Siemens and Halske, 1890. The elevator is powered by an electric motor (A). From Electricity in the Service of Man by R Wormell. (London, 1890). (Photo by Ann Ronan Pictures/Print Collector/Getty Images)
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January 29th, 2021
Viewed 143 Times - Last Visitor from Kiev, 13 - Ukraine on 07/24/2021 at 10:23 AM