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Scientific American, Vol. 72, No. 14 (1895) (1895)

leaf 8

An illustration from Scientific American, Vol. 72, No. 14 (1895), 1895, leaf 8
he perfect school room, it is thought, should have aglass surface equal to one-fourth the floor space. It is also thought best to have indi- vidual seats and desks for the pupils. The follow- ing very significant figures concerning the conditions of our public schools were brought together some few… … inder of the press is to be filled with molten lead, the RUNNING LEAD IN - CYLINDER. St Sa operator turns the outside shaft which by means of the belt chain turns the other on the inside of the kettle, a THE LEAD PIPE INDUSTRY. thread at the top of the shaft causing the valve to rise, letting out…

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