The Leslie Rotary Steam Snow Shovel

Apparatus for the Manufacture of Glucose

Wire Rope Railway—Aerial Transportation

The Graydon Air Gun

The Loomis Fuel Gas Plant at Tacony

Easily made Musical Instruments

Pyro, Hydrochinon, Hydroxylamine, and Neutral Oxalate used as Developers of Photographic Dry Plates

Flax Scutching in Ireland

The Grosvenor Gallery Central Lighting Station of the London Electric Supply Corporation

Edward Weston's Apparatus for Utilizing Solar Radiant Energy

The Electric Lighthouse at the Scandinavian Exhibition, Copenhagen

Alloys

Sibley College Lectures.—1888-89

By the Cornell University Non-Resident Lecturers in Mechanical Engineering

Pyorrhœa Alveolaris in an Elephant

Apparatus for Transmitting Sounds to a Distance by Means of Light

Iona and Staffa

West Point as seen by an Englishman

A Fungus Foray

Cultivation and Preparation of Prunes in France

Winter Apples

Building Plans and Specifications

Cotton as a Filter

Useful Engineering Books