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Improved Tobacco Press, White Brass, and more

The Nature and Food of Man

By W. Bridges Adams

The Clothes-Moth and its Allies

Recent Advances in Electric Science

By C. Widemann

The History, Science, and Art of Whipping

The City Transit Question

Advantages of Compressed Asphalte for Road-Ways, and the Production of Solid Surfaces for Other Purposes

Patent Office Affairs

Manufacture of Grape Sugar

Captain Ericsson's New Method of Submarine Attack

New York Lyceum of Natural History

A New Process for Fixing Images by Exposure to Heat

Death of a Distinguished Professor

Photographic Exhibition and Dr. Vogel

A Clever Hoax--Who is Dr. Ivan Slavonski?

Scientific Intelligence- May 28, 1870

Editorial Summary- May 28, 1870

Recent American and Foreign Patents- May 28, 1870

Answers to Correspondents- May 28, 1870

Official List of Patents- May 28, 1870

Applications for Extension of Patents- May 28, 1870


  • Letters

    Correspondence- May 28, 1870

  • Departments

    Business and Personal- May 28, 1870

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