Automatic Weighing Machine

Copper, Cadmium, Zinc, Nickel, Etc.

New Style of Ox-Shoes

Butter and Oleomargarine

Apparatus for Distributing Liquid Carbonic Acid by Measure

New Extractor for Dye-Woods

Automatic Apparatus for Washing Negatives

Impurities in Metals

Compound Engine of the S.S. Prometheus

Car Couplers

The Austrian Torpedo Boat Falke

Durability of Resinous Woods

The New Court House at Neuilly-On-The-Seine

Reaction of Tin with Sulphuric and Nitric Acids

The Town Hall of Funfhaus, near Vienna

The Diffraction Spectrum Applied to Developing Room Illumination Problems

Sibley College Lectures.—VI

By the Cornell University Non-Resident Lecturers in Mechanical Engineering Fire

New Method of Annulling the Effects of Induction in Telephone Circuits

Hog Cholera

The International Fleet in Suda Bay, Crete

How to Graft

Changes of Form in, and Motions of the Animal Cell