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Features

Foreign Correspondence

Ventriloquism

Departments

  • Departments

    A Patent Steam Song

  • Gun Cotton Ball

  • Pulpit Ingenuity

  • The Man whom Nobody Knew

  • A Royal Editor

  • Ashe's Safety Bank Lock

  • Remarkably Frank

  • The New Era

  • Polishing Stoves

  • Enterprise at Cohoes, N. Y

  • Ship Building

  • The Panama Project

  • The Sci. Am. in England

  • The Millionaire

  • A Crooked Stream

  • Extensive Emigration

  • Great Project

  • Philosophical

  • Fruits of the Rum Trade

  • Physic and Infancy

  • An Unwelcome Visitor

  • Severe Storm in England

  • Vegetable Locusts

  • Car Building

  • Another Singing Mouse

  • An Old Gossip

  • Late from Mexico

  • Vibrating Marine, Engines

  • Tunneling the Alps

  • Proverbs

  • Aslatic Cholera

  • An Expensive Funeral

  • A Strong Inference

  • The Milwaukie Post Office

  • Enterprise in Boston

  • An Orphan's Story

  • To Correspondents

  • Infernal Warfare in Turkey

  • Manufacture of Cotton in India

  • Paper Blankets

  • Improved Steam-boat Wheels

  • Magnetic Investigation

  • Manufacture of Salt

  • Very Valuable Invention

  • The Everlasting-Candle Stick

  • Window Blind Fastener

  • Warming with Ice

  • India Rubber Ink-rollers

  • Self-acting Regulator for Stoves

  • Parallel Bench Vice

  • Driving Wheels

  • Another Mortising Machine

  • The Plainfield Bank

  • The Progress of the Age

  • Another American Paper in Mexico

  • New York Custom House

  • Singular Phenomenon

  • Reckless and Improvident

  • English Views of America

  • The Human form

  • Cut Nails

  • Manufacture of Plate Glass in England

  • To New Subscribers

  • Striking Illustration

  • Law Makers

  • It is not so

  • New Streak of Lightning

  • Force of Projectile Compounds

  • The Science of Astronomy

  • Fancy Fountain

  • Magnetism

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February 06, 1847

Beyond XX and XY

Biology. Identity. Equality.