Decisions Relating to Patents

The Terrestrial Globe at the Paris Exposition

The Great Deserts of the Earth

Otto Patent Wire Ropeway

Some of the Big Things now Accomplished by the Manufacturers of Iron and Steel

Power Test of the Daft Electric Railway at Asbury Park, N.J

Note on the Momentum of Steam in Steam Pipes

Simple Arc Lamp

Steam Suction Blast and Still

Instruments for Drawing Curves

No. Iv.—The Sinusoid, or Harmonic Curve

The Old Oaken Bucket

A Conference of Representatives of American Powers

Apparatus to Illustrate the Influence of Pressure on the Volatilizing Point of Ice, and other Phenomena

Zeiss' Apochromatic Objectives

How Deaf-Mutes are Taught to Speak

Odoriferous Insects

The Gathering of Plants for the Herbarium

Dangers of Carbon Monoxide

Useful Engineering Books

Walking Epilepsy

Building Plans and Specifications