MAKE A MEME View Large Image Beaumont-tunnelbohrmaschine.png en A contemporary plan of a tunnel boring machine from the 1880s on an idea by Colonel Frederick Beaumont and Thomas English The tunnel boring machine was 9 meters 30 ft long and was driven with compressed ...
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Keywords: Beaumont-tunnelbohrmaschine.png en A contemporary plan of a tunnel boring machine from the 1880s on an idea by Colonel Frederick Beaumont and Thomas English The tunnel boring machine was 9 meters 30 ft long and was driven with compressed air de Ein zeitgenössischer Plan einer Tunnelbohrmaschine aus der 1880er Jahren nach einer Idee von Oberst Frederick Beaumont und von Thomas English Die Tunnelbohrmaschine war 9 Meter 30 ft lang und wurde mit Druckluft angetrieben Der Kanaltunnel - Fakten und Zahlen 1994 S 22/23 uploaded by Opihuck <span class signature-talk ></span> author date PD-old-70-1923 Channel Tunnel historical Tunnel boring machines
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