A New Torpedo Boat

Sibley College Lectures.—1886-87

By the Cornell University Non-Resident Lecturers in Mechanical Engineering.” IV.-Steam Boiler Explosions.

Asphalt Masonry for Engine Beds

Electrical and Mechanical Units

Plotting Natural Curves

The Jordan Finisher, and the Manufacture of Paper

Copying Drawings by Chemical Process

Oil of Peppermint

Boracic Acid, Borax, and their Uses

Apparatus for Obtaining the Density of Solids

Chlorine in Rain Water

Action of Manganese on the Phosphorescent Power of Calcium Carbonate

Soft Steel—A New Type of Fixed Converter

Crystals in Whisky

Water, in some of its Physical and Chemical Aspects

New Spectroscope

Source of the Mississippi River

The Stanley Expedition for the Relief of Emin Pasha

Astronomical Telescopes: Their Object Glasses and Reflectors

How to make Colorless Specimens of Plants to be Preserved in Alcohol

The Tulip Tree, Whitewood, American or Yellow Poplar

Shropshire Sheep

Inflammable Breath