The St. Gothard Tunnel: air-compressing machinery at Airolo, 1880. Creator: Normand

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Framed Print of The St. Gothard Tunnel: air-compressing machinery at Airolo, 1880. Creator: Normand

The St. Gothard Tunnel: air-compressing machinery at Airolo, 1880. Compressors made from the design of Professor Colladon were employed, each capable of supplying about 700 cubic feet of air per minute...Sixteen compressors were employed at each end of the tunnel supplying air for working from eighteen to twenty rock-drills and for ventilation...[View of] the hall which contains Professor Colladon's improved machines for compressing atmospheric air. This constitutes the power of expansive elasticity by which, as a substitute for steam-power, all the perforators and other mechanical instruments are kept in motion...The air-compressing department...[may be] regarded as the heart and the lungs; for it supplies the ventilation, the needful air for the workmen to breathe in the tunnel, as well as that which remains, in a highly condensed state, in the long tubes or conduits, or in the reservoirs, to form the motive power of the boring apparatus. The great hall of the compressors contains twenty of those powerful compressing cylinders, most of them being arranged in sets of five together upon each stand, and worked by hydraulic force...The turbines are shown in our Illustration, fixed on the top of their respective sets of compressors'. From Illustrated London News, 1880. Heritage Images features heritage image collections. © The Print Collector/Heritage Images

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Media ID 41088993

Beam Beams Civil Engineering Compressed Air Element Engineering Equipment Machine Machinery Machines Railway Tunnel Switzerland Europe Tunnel Turbine

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Modern Frame 14"x12" (36x31cm)

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Wood effect frame, card mounted, 10x8 fade resistant photo print. Overall outside dimensions 14x12 inches (36x31cm). Environmentally and ozone friendly, 40mm wide x 15mm Polycore® moulding has the look of real wood, is durable and light and easy to hang. Biodegradable and made with non-chlorinated gases (no toxic fumes) it is efficient; producing 100 tons of polystyrene can save 300 tons of trees! Prints are glazed with lightweight, shatterproof, optical clarity acrylic (providing the same general protection from the environment as glass). The back is stapled hardboard with a sawtooth hanger attached. Note: measurements provided are estimated outer dimensions, which include both the image and the frame. While we aim to keep sizing consistent, exact dimensions may vary slightly due to differences in print size or production requirements, which may result in a variation in the overall size (up to approximately 2.5cm (1"))

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Estimated Image Size (if not cropped) is 24.4cm x 17cm (9.6" x 6.7")

Estimated Product Size is 36cm x 31cm (14.2" x 12.2")