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Scientific American Magazine Vol 58 Issue 20

Scientific American Magazine

Volume 58, Issue 20

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Features

Novel Type of High Span Bridge

Passage of the Copyright Bill in the Senate

The New Copyright Bill Now Before Congress

City Flowers

The British African Expedition

An Improved Circular Saw Holder

An Improved Cloth Cutter

An Improved Counter Scale

The Crosby Invalid Bed

An Improved Hot Air Register

Experiments in Static Electricity with the Incandescent Lamp

Elmer E. E. Emmons

Waddington's Electeic Submarine Torpedo Boat

Thomas Silver

The Engines of the Vesuvius and Yorktown

Miscellaneous Inventions - May 19, 1888

Agricultural Inventions - May 19, 1888

Engineering Invention - May 19, 1888

To Inventors - May 19, 1888

Departments

Notes and Queries - May 19, 1888

New Books and Publications - May 19, 1888

Business and Personal - May 19, 1888

Index of Inventions - May 19, 1888