Chapter I: ENGINEERING AND MECHANICS--Machine Tools for Boiler Makers

2 figures.--Improved boiler plate radial drill.--Improved
boiler plate bending roller.

Modern Ordnance. By COLONEL MAITLAND.--Rifled cannon.--Built
guns.--Steel castings.--Breech loading.--Long guns.--Slow
burning of powder.--Breech closers.--Projectiles.--Destructive
power of guns.

Oscillating Cylinder Locomotive. 2 figures.--Shaw's oscillating
cylinder locomotive.

Gas Motors and Producers. By C. W. SIEMENS--2 figures.

The Bazin System of Dredging. By A. A. LANGLEY.--3 figures.