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Ducker's Portable Barrack and Field Hospital

Car Builders Perplexed About Car Couplers

The Benefits of the Patent Laws

Photographic Notes

A Transcontinental Balloon Voyage

Electric Lighting as an Investment

A New Hand Truck

Feeding Stand for Poultry

Improved Tool Grinder

Improved Hand Truck

Muffler for Steam Valves

Boiler Feeder

New Power Punching Presses

The Spheroidal State of Water

By T. O*amp*apos;conor Sloane

Wood Wool

Prismatic Gunpowder

The Water Buck

A Hairy Elephant

To Inventors

Engineering Inventions

Miscellaneous Inventions


  • Correspondence

  • New Books and Publications

  • Business and Personal

  • Index of Inventions

  • Notes and Queries

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