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Features

The Breech-Loading Rifles

The Minie Rifle Ball

Improved Brick Machine

Californian Ingenuity

Coffee and Milk

Patent Claims

Minium or Cinnabar

Elevator

American Breech-Loading Guns

Nail Machine

Effect of Saleratus on the Teeth

Supposed Meteorite

Bombs

Important Patent Case

Grinding Mill

Sewers

A Batch of Information

Feeding Paper

Improved Lubricator

Architectural Decorations

Distillation

Death of an Inventor

Hotchkiss Rake Head

Preserving Food

India Rubber

Improved Salinometer

Manufacturing Coiled Springs

Ames' Radial Grater

How to Make Ivory Soft

The Mechanical Powers

A Word about the Times

Mortality among Scientific Journals

Work for the Unemployed

Toothed Wheels

The Adriatic

Extensive Iron Government Building

Closing of the Fair of the American Institute

Musk

The Rate at which Thought Travels

Vibration around Water Dams

Philadelphia

Leprosy in Australia

Descriptive Index to Chemical Patents

Patent Leather

Natural Pyramids

Daguerreotypes by Lightning

Mechanics

Submarine Tunnel

Warmth for the Winter

Bleaching Fibrous Materials

Departments

  • From the Editor

    To Our Subscribers

  • Letters

    Correspondents - November 21, 1857

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