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Features

The Marent Gulch Trestle

Need of a Manufacturing Reform

Light Iron Castings

Toothing a Nicking Saw

Pink Eye

The Bottlers' Exhibition

Aspects of the Planets for January

Miner's Candlestick

Car Coupling

Electric Alarm for Steam Boilers, Etc.

Mechanical Telephone

The Magnetic Station at the Saint Maur Park Observatory

Window Sash Adjuster

Fog Signal Apparatus

The Needle Fish, Sea Horses, and Rag Fish

Agricultural Inventions

Miscellaneous Inventions

Mechanical Inventions

Engineering Inventions

Departments

  • Departments

    Business and Personal

  • Index of Inventions

  • Notes and Queries

  • Index

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