Skip to main content



Human Longevity

A Submerged Mexican Village

Antiquity of Biscuits

To Silver Silk Ribbons

Terms of Credit in Different Countries

The Apollo Belvedere

Italian Marbles

H. M. S. Sanspareil

The “Slip” of Screw Propellers

A Water Locomotive

Apparatus for Studying the Expansion of Metals

The Great Mulhouse Universal Lathe

Indian Corn Oil

Black Dyes

Nickel Salts used in Dyeing

Some Pieces of Chemical Apparatus

Apparatus for Filling a Burette

Warner's Improved Dry Plate Holder

Drum Armature for the Hand Power Dynamo

By Geo. M. Hopkins

Thawing Frozen Earth

Building Plans and Specifications


  • Departments

    Patents - June 25, 1887

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
Scroll To Top