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Improved Power Accumulator

How the Russians Regard the Monitors

New Books and Publications

The Measure Worm

Special Notice

Miscellaneous Summary

Wasted Coal

Recent American Patents

A Stride in the Power of Communication

Deparature of the “are Don Luigi Di Por Tugallo.”

Shaw's Window-Sash Stop

Are Hurricanes Caused by Meteors ?

The Pitches of Screw-Threads

Discovery of an Ancient Roman Draining Wheel

Why Gold is So High

Homes For Men of Moderate Means


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