“A Stitch in Time—”, A Woman Pioneer in Education and more

The New York Aero Show

Description of Some Novel American Aeroplanes on Exhibition

Opening of the Naval Drydock, New York

Unique Methods in Constructing an Unusually Difficult Engineering Work

An Aqueduct Two Hundred and Forty Miles Long

How steel and concrete siphons will supply Los Angeles with water

Briquetting Iron and Metallic Waste, Diamonds from Illuminating Gas

By Our English Correspondent

Taking Moving Pictures Upon Glass Plates

By the London Correspondent of the Scientific American

An Apparatus for Weighing Liquids in Tanks, Immunity Against Poisons

Curiosities of Science and Invention - May 25, 1912

What Inventors are Doing - May 25, 1912

Simple Patent Law; Patent Office News; Inventions New and Interesting

An Opinion of the Scientific American, Rules Governing the Competition for the $15,000 Flying Machine Prize Offered by Mr. Edwin Gould and more