Improved Printing Press

The Flow of Water Through Long Pipes

From the London Mechanics Magazine

Catalysis

The Hecker and Waterman Experiments

The Rebel Ram “Tennessee.”

Corn-Husk Stock for Paper

The “Monitor” Triumph in Mobile Bay

Chucking Work in Lathes

Ericsson the “Scientific American,”and the Daily Press

Colburn's Locomotive Engineering.

Future Prospects for Mechanics

Reducing Aluminum by Zinc

Special Notice

New York Markets

Effect of a Fifteen-Inch Shell on the Tennessee.

To Our Readers

Parker's Churn-Power

Cook's Molasses Cup