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Features

Improved Valve and Oscillating Engine

Singular Swamp

Solder for Iron

Vermont Gold

Greenwood Cemetery

Feeding Bees

Events of the Week

Improved Mode of Casting Pumps

The Steam Yacht North Star

Rheumatism

Railway Apothegms

Stevens & Kiogaley's Sewing Machine

The North Pacific Expedition

Heat—Expansion and Contraction

Change in Locomotive Fuel

Preserving Strawberries

Railways, Steamships, and Telegrephs

Annual Depreciation of Locomtives

Curious Properties of the Figure 9

Salmon Fisheries in California

A new Journal Box

Power Loom for Weaving Hair Cloth

Models for Inventions

Ericsson on the “Ericsson”

Propellers

Management of the Patent Oflice

Commissioners to the New York Crystal Palace

Patent Agents—A Caution

LoW Pressure Engines on the Western Waters

To Correspondents

Manufacture of Bohemian Glass

Mechanics

Graduating Machine

Entomology

Enchanted Mountain in Texas

Languages of India

Rise and Fall of Lake Ontario

Departments

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