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Features

The Demagnetization of Watches

By M. Hopkins

Long Distance Telephony

Night Sky--September and October - 1886

By Richard A. Proctor

Car Coupling

Improved Padlock

Eaves-Trough Hanger

Drag Saw

Combination Tool

The Allard Spiral Screw Driver

Pendulum Hoist

Improved Car Starter

Cutting Apparatus for Mowers and Reapers

New Orleans

Experiments in Pneumatics with a Steam Vacuum

By T. O'Conor Sloane

The Hamburg Electric Tramway

Trade Mark Decision

Photographic Notes - October 2, 1886

Decision Relating to Patents

A Tropical Stag Beetle

Agricultural Invention - October 2, 1886

Miscellaneous Inventions - October 2, 1886

Engineering Inventions - October 2, 1886

Departments

  • Recommended

    New Books and Publications - October 2, 1886

  • Departments

    Correspondence - October 2, 1886

  • Business and Personal - October 2, 1886

  • Index of Inventions - October 2, 1886

  • Notes and Queries - October 2, 1886

  • Patents

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October 02, 1886

Think Outside the Gift Box