The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 131
Explanation of the Drawing. A. The Paddle Shaft. B. A east iron Disc keyed thereon. C. A wrought iron Strap surrounding the DUc,Jined with brassCushion. E. A tightening key for producing friction, by bringing the Cushion in contact with the Disc,iron Strap, excepting that portion occupied by the…
Architecture · Civil engineering · Science
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