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Features

New Capstan Windlass

Tongueing and Grooving Machine

List of Patent Claims

The Fire Engine Boiler

Artificial Propagation of Fish

Cause of Heat and Cold

The Best Time to Transplant Evergreens

Coarse Wheat Meal for Bread

Manufacturing Glue

On Oil from Cotton Seed

The Fatigue and Fracture of Metal

Liquid for Coloring the Hair Black

Silk from the Mulberry Tree

Artificial Wines

The Boston Steam Fire Engine

Improvement in Vault Covers

Marble Sawing Machine

American Institute Election

Ferry Steamboats to be Put Under a Safety Law

New Patents

Maine Has Spoken

Valuable Experiments With Cast Metals

Recent American Patents

Recent Foreign Inventions

Gold Quartz Mining

Notes on Ancient and Curious Inventions.--No. 4

A Hollow Mountain

A Railway for Ships

Important Items

Conductor and Engineer Indicted

Mechanics

Machine for Boring and Mortising

Swallows

Improvement in Scales for Weighing

Composition and Formation of Steel

Departments

  • Letters

    To Correspondents

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April 26, 1856

Confronting Common Wisdom