Skip to main content

Features

Improved Extension Table

Elastic Metallic Rocking Chair

Poetry and Patents

Facts About the River Amazon.--Steam Navigation and Railroads

Oak Graining

[Condensed from the Builder.]

Dyers' Recipes

From Haserick's Secrets of Dyeing.

The Ancient Brewers of New York

Pyrometer

Perpetual Motion- February 25, 1871

W. Mattieu Williams on the Bessemer Process

From Nature.

Interesting School Statistics

[CHIEFLY FROM MR. KIDDLE'S ANNUAL REPORT.]

Hand Sewing Machine

The Hudson River Railroad Disaster

The Largest Gun in the World

Electro-Metallurgy

Toughening and Refining Gold

How the Ice Bridge is Formed in the East River

The Pecuniary Prospects of the East River Bridge

A Remarkable Geological Discovery

Intelligent Legislation About Medical Prescriptions

Progress of Foreign Invention- February 25, 1871

Recent Decisions at the Patent Office- February 25, 1871

The Present and The Past- February 25, 1871

Scientific Intelligence- February 25, 1871

Queries- February 25, 1871

Answers to Correspondents- February 25, 1871

New Patent Law of 1870

Official List of Patents- February 25, 1871

Issued by the U.S. Patent Office. FOR THE WEEK ENDING FEB. 14, 1871. Reported Officially for the Scientific American.

Recent American and Foreign Patents- February 25, 1871

Under this heading we shall publish weekly notes of some of the more prominent home and foreign patents..

Applications for Extension of Patents- February 25, 1871

Departments

  • Letters

    Correspondence- February 25, 1871

  • Recommended

    New Books and Publications- February 25, 1871

  • Departments

    Business and Personal- February 25, 1871

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format

50% off for Back to School

50% off for Back to School