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Updated: May 2, 2025
It is the wholesale reproduction of the more costly and ornamental features, such as we see in many buildings of New York and Philadelphia, where whole fronts are manufactured of cast iron and sheet-metal, which has shocked the minds of architects of culture and sensitive feeling.
He offered to work all the rest of the time in return for his food and clothing. To-day he holds a Pratt certificate, is head of our machine shop, has a sheet-metal working factory of his own which fills a most valuable purpose on the shore, is general consultant for the coast in matters of engineering, as well as being the Government surveyor for his district.
"Some is worse," said the old man, with dignity. "There are crates which are marked to contain turbines. Their contents are ancient, worn-out brick-making machines. There are crates marked to contain generators. They are filled with corroded irrigation pipe and broken castings. We have shiploads of crush-baled, rusted sheet-metal trimmings! We have been cheated of our lives!"
Reducing this again to its most convenient form, it is plain that a spiral of sheet-metal wound round the barrel will offer the most convenient type of structure for stability and cheapness combined.
Practically this cheap and efficient wind-motor then becomes a square or hexagonal upright axis of fairly large section, to each side of which is secured a board or a rigid sheet-metal sail projecting beyond the corners. The side of the axis and the projecting portion of the sail then together form the triangular section required.
A raised stage called the tribune was erected. It was about one hundred and twenty feet long and a hundred and fifty feet wide. It had houses of painted wood, and whatever was necessary in the way of scenery, rocks, trees, etc. It was separated from the audience by a wooden partition in which was a sheet-metal curtain.
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