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Improved Depositing Dry Dock

Carbonic Acid in the Air

The Green Mountain Railway

Forging by Pressure

Self-Imposed Risks

The Oscillations of the Sea

Improved Quilting Frame

Surveyor's Leveling Rod

Car Axle

Life Boat

Safety Stop for Elevators

New York Terminus of the N. Y., W. S. & B. R

Sketches at the Fisheries Exhibition

The Lancelet Fish

The Star Nosed Mole

Improved Cultivator

Engineering Invention

Agricultural Inventions

Mechanical Inventions

Miscellaneous Inventions


  • Departments


  • Recent Invention

  • New Books and Publications

  • Business and Personal

  • Index of Inventions

  • Notes and Queries

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