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Features

The Cash Recording Machine

A Patent Office Court

The Annual Report of the Commissioner of Patents

“That is Near Enough”

The Shop Clock

The Electric Light in Photography

The Bullion Product of 1877

Telegraphing without Wires

Dangerous Smoke and Drink

Color-Blindness in its Relations to the Safety of the Traveling Public

New Adjustable Swivel Hanger

Shaw's Improved Exhaust Nozzle

Appliances for Supporting Life in Irrespirable Media

Communications

Wise's Ice Cream Beater

An Improved Hoisting Machine

The Thompson Wooden Spring for Vehicles

The India Rubber Tree

The Codling Moth

M. Henri Giffard's New Apparatus for the Production of Hydrogen in Large Quantities

Prevention of Gaseous Emanations from Drains and Sewers

Wants and Business Inquiries

Departments

  • Departments

    Business and Personal

  • Notes and Queries

  • Index of Inventions

  • Patents

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February 16, 1878

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