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Light--The Law of Reflection

Greatness of Little Things

Removal of the Scientific American Office

Merits of Gutta Percha

Curious Experiment

The Time to Cut Timber

Winans' Steamer Again

Distilling Asphaltum

Water in Groups of Boilers

Artificial Whalebone

Improved Paddle-Wheel

New Telegraph

McCormick's Patent Extension Rejected

Ice Phenomena

Meteorology--No. 2

Sllicates Applied to Cements and Paints

Russia Sheet Iron

Iron Girders and Beams

Strength of Riveted Iron Plates

Structure of Anthracite

Progress of Light and Knowledge


Inventors, Millwrights, Farmers and Manufacturers

An Old Conical Ship

Improved Match Safe


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    Notes and Queries

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