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1950s Otis Autotronic Elevator Machine Room

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The Schindler lift that needs THREE generators! (dynator) ...everything explained

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2018-10-21 Soudan Mine Tour Part 3 of 6 Begin Underground Tour

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When a Mine Elevator Falls Over a Kilometer

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Dampfmaschine/Steamengine (Compound) Technoseum Mannheim/Germany

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c.1928 English Electric Willans Air-Blast Injection Diesel Start and Run

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A Trip Down Maltby Shaft

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Make An Electric Lifter - Forklift With Height Up To 4 Yards | 2 Functions In 1 Forklift