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Engines for Electric Lighting, Berlin

Resistance of Hydrogen and Other Gases

By E. Villari

A Brief Summary on Practical Manipulation

By H.N. Warren

Composition of Eikonogen, the New Photographic Developer

The Examination of Textile Fibers and Fabrics

By H. Schlichter

Japanese Lacquer

The Alarm Watch

The Properties of Aluminum, with some Information Relating to the Metal

Purity of Aluminum and Processes of Manufacture

The Amœba—A Long-Lived Animalcule

Kicking Cows

The Cantaloupe

Making the Crooked Straight

The Haskell Institute

Homeopathy: Its Present Relations to the Pepole and to “The Old School”

By Wm.Tod Helmuth

Building Plans and Specifications

Paint or Rouges

Useful Engineering Books



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    May 17, 1890

    20% Sitewide for President's Day