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Lanston's Monotype Machine

Stentzel's Flying Machine

The Balloon as an Assistant to the Submarine Boat

Combined Flush-Side Cold Sawing and Ending-up Machine

Good Light Railways

A Concrete Arch Bridge of Forty Feet Span

Processes for the Nickel Plating of Wood

A Method of Destroying the Works of an Enemy

The Manufacture of Chlorine

Deacon's Process without Manganese.

Pastes and Mucilages

By W. G. Scott

How to Cleanse, Wash or Dye Laces

The Tapestry Garments of the Yncas

A Model Electric Railway Plant

Alternate Current Transformers

The Employment of Transformers

By J. A. Fleming

The more Important Insects Injurious to Stored Grain

The Habitability of other Worlds

By C. A. Young

A Lion-Faced Boy

Selected Formulæ

Miscellaneous Notes

Electrical Notes

Engineering Notes

The World's Gold Yield

The Genus Erythronium



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