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Features

Electric Time Service for New York

The Hosmer Motor

The Salisbury Furnace for Petroleum

Patents for Protecting the Dead

Skilled Labor in New York City

The Official Reports of the Paris Exhibition

The Cost of Insecurity

A New Platen Gauge

Tramway Rail Experiments

A New Draughting Pencil

Steam Engine Governor

New Regulating Attachment for Clock Pendulums

The Blue Process of Copying Tracings

French Subsoil and Clearing Plow

Improved Crusher and Grinding Mill

The De Meritens Magneto-Electric Machine

The Poison Ivy and Virginia Creeper

The Crafty Hermit Crab

Gas a Substitute for Solid Fuel

By M. H. Strong

To Inventors

Communications Received

Departments

  • Departments

    Business and Personal

  • New Books and Publications

  • Notes and Queries

  • Index of Inventions

  • Patents

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