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The Minie Rifle Ball

The Breech-Loading Rifles

Improved Brick Machine

Californian Ingenuity

Coffee and Milk

Patent Claims

Nail Machine

Minium or Cinnabar


American Breech-Loading Guns

Effect of Saleratus on the Teeth

Supposed Meteorite


Important Patent Case

Grinding Mill


A Batch of Information

Feeding Paper

Improved Lubricator

Death of an Inventor

Architectural Decorations


Hotchkiss Rake Head

Preserving Food

India Rubber

Improved Salinometer

Ames' Radial Grater

Manufacturing Coiled Springs

How to Make Ivory Soft

The Mechanical Powers

A Word about the Times

Work for the Unemployed

Toothed Wheels

Mortality among Scientific Journals

The Adriatic

Extensive Iron Government Building

Closing of the Fair of the American Institute



The Rate at which Thought Travels

Leprosy in Australia

Vibration around Water Dams

Descriptive Index to Chemical Patents

Patent Leather

Natural Pyramids

Daguerreotypes by Lightning


Bleaching Fibrous Materials

Submarine Tunnel

Warmth for the Winter


  • From the Editor

    To Our Subscribers

  • Letters

    Correspondents - November 21, 1857

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Deep Dives in Science -- Subscribe to our Collector's Editions Today

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