NEW YORK, JANUARY 1, 1870.

Vol. XXII.--No. 1. [NEW SERIES.]

$3 per Annum [IN ADVANCE.]

Contents: (Illustrated articles are marked with an asterisk.)

*Engines of the Spanish Gunboats The Torpedo Problem Sugar Making in Louisiana Sticking, or Court Plaster *An Improved Hoisting Pulley Wanted *Ferdinand De Lesseps--Chief Promoter of the Suez Canal *An Ingenious Vent Peg *A New English Patent Pulley Block Plants in Sleeping Booms *Improved Treadle Motion *Improved Method of Catching Curculios Remains of a Megatherium in Ohio Artificial Ivory American and English Kailway Practice Contrasted Boiler Covering Attachment of Saws to Swing Frames Patent Decision Inventions Patented in England by Americans *Russ Improved Wood Molding Machine A Lost Civilisation *Girards "Palier Glissant" A Happv New Year The Suez Canal not yet a Failure Tubular Boilers and Boiler Explosions Professor Fiske's Lecture at Harvard The Brighter Side The American Institute Prizes Awarded to Steam Engines A Protest against the Canadian Patent Law American Railway Management Scientific Lecture before the American Institute The Battle Fields of Sceence How French Bank Notes are Made What the Newspapers Say Chinese Method of Preserving Eggs Steam Boiler Explosion Editorial Summary The Steven Breech Loading Rifle * A Novel Improved Hand Vise The Mound Builders of Colorado *The Woven-Wire Mattress Flouring Mill Hazards Fire-Proof Building The Decline of American Shipping Aerial Navigation-A Suggestion Putty Floors of Jewelers Shops and otherwise Western Demand for Agricultural Implements Economical Steam Engine Friction and Percussion Oiling a Preservative of Brownstone Interesting Correspondence from China Commumcation Between Deaf and Blind Mutes Cheap Cotton Press Wanted A Singular Freak of a Magnet Preservation of Iron The Bananas and Plantains of the Tropics Putting Up Stoves The Magic Lantern The Largest well in the World--Capacity 1,000,000 gallons of water per Day Paper for Building *Improved Muzzle-Pivoting Gun Stock Feeding by Clock Work Milk and What Comes of It *Improved Hay Elevator *Improvement in Lamp Wicks Great Transformation Answers to Correspondents Recent American and Foreign Patents New Books and Publications List of Patents