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Machine for Squeezing Puddlers' Balls

By Edmund Suckow

Barker's Hydraulic Brake

New Brickmaking Machine

Dynamometer for Measuring the Strength of Fabrics

Washing and Water-Beating

Improvements in Carding Engines

Destruction of a Turkish Man-of-War


Steam Tree-Saw

The Eighty-Ton Gun

Lessons in Mechanical Drawing

By C. W. Mac Cord

New Electro-Magnetic Engines

By Martin Egger


The Electric Candle

Science Notes

A Home-made Telescopic Equatorial Stand

By T. D. Simonton

The Scientific American Supplement Index for Vol. 3


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