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Scientific American, Vol. 27, No. 12 (September 1872) (1872)

leaf 3

An illustration from Scientific American, Vol. 27, No. 12 (September 1872), 1872, leaf 3
ergoes its first melting to its final exit into the Every year a large quantity of metal is reclaimed from the point of the blank is prevented from receiving any pressure, world in the shape of finished pens. water the workmen wash in, from their working clothes, as in such case it would be… … during our inspection of the ingot, is now ready. The ma of a namiuer, ttie object oeiug to give them temper, elasti- other purposes requiring a handsome and durable stone. chine is set in motion, and into it passes the bar of metal: city and hardness. They are then, placed under another When first…

Velocity · Patents · Consists · Advantageous · Peripherical · Peripherical velocity · Sulphuric acid · Cutting velocity · Working velocity · Advantageous peripherical · Scientific American · Admissible velocity · Highest admissible · Advantageous velocity · Average velocity

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