Framed Prints
Framed Print of The new overland route to India and the railway tunnel of the Alps: boring-machine... 1869. Creator: Unknown
The new overland route to India and the railway tunnel of the Alps: boring-machine in the tunnel, 1869. The Sardinian Government then appointed M. Maus, a Belgian engineer, and M. Sismonda, a geologist, to devise the best line of tunnel and the best mode of construction...If a quantity of air be compressed into one sixth of its ordinary space, it acquires an elastic force equal to six times the common pressure of the atmosphere - namely, 84 lb. to the square inch...The width and height of the intended excavation, including the space to be filled with masonry at the roof and sides, are so considerable that it has to be carried forward in three drifts or galleries, at different elevations.... The boring tool, drill, or needle...is simply an iron bar, with a point 2 in. wide, shaped like that of a chisel or adze, and very frequently sharpened, hundreds and thousands of these tools being soon worn out...Whenever the requisite number of holes, which varies with the situation of the working and with the nature of the rock, have been bored for one blasting, the engine travels back out of the gallery; the men charge the holes with mining-powder, lay a train or light a slow match, and retire behind the closed doors till the rock is blown up'. From Illustrated London News, 1869. Heritage Images features heritage image collections. © The Print Collector/Heritage Images
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Media ID 38815396
Alps Boring Civil Engineering Compressed Air Contraption Element Engineer Engineering Engineers Equipment Invention Machine Machinery Mechanism Railway Line Railway Track Railway Tracks Railway Tunnel The Alps Train Track Tunnel Underground Working Man Workman Workmen
Modern Frame 14"x12" (36x31cm)
Ready to Hang Contemporary Framed Prints adds style, protection, and a polished touch to your space - effortlessly.
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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"))
These are individually made so all sizes are approximate
Estimated Image Size (if not cropped) is 24.4cm x 16.7cm (9.6" x 6.6")
Estimated Product Size is 36cm x 31cm (14.2" x 12.2")
