Hydraulic Canal Lift

A Well Ventilated Mine

Apparatus for Mining and Blasting under Water on the Panama Canal

On the Distribution of Internal Friction of Engines

Mill for Concentrating Silver Ores, at Leadville, Colorado

Lebrun's Gas Burner

Improved Flax Scutching Machine

The Friction of Metal Coils

The Petite Anse Salt Mine

Rolling Seamless Tubes

On Rolling Seamless Tubes from Solid Bars or Ingots by the Mannesmann Process *

Collodio - Bromide Emulsion for Transparencies

Dry Plates

The Safety of Commercial Kerosene Oils

The Storks of Alsace and the Fauna of Strasbourg Cathedral

Notes on Roses

A Solar Eclipse as Seen from the Moon

Building Plans and Specifications

A New Catalogue of Valuable Papers