Chapter I: ENGINEERING AND MECHANICS.--Soaking Pits for Steel Ingots

--On the successful rolling of steel ingots with their own
initial heat by means of the soaking pit process. By JOHN GJERS.
6 figures.--Gjers' soaking pits for steel ingots.

Tempering by compression.--L. Clemandot's process.

Economical Steam Power. By WILLIAM BARNET LE VAN.

Mississippi River Improvements near St. Louis, Mo.

Bunte's Burette for the Analysis of Furnace Gases. 2 figures.

The "Universal" Gas Engine. 8 figures.--Improved gas engine.

Gas Furnace for Baking Refractory Products. 1 figure.

The Efficiency of Fans. 5 figures.

Machine for Compressing Coal Refuse into Fuel. 1 figure.--
Bilan's machine.

Hank Sizing and Wringing Machine. 1 figure.

Improved Coke Breaker. 2 figures.

Improvements in Printing Machinery. 2 figures.