Skip to main content

Features

Improved Steam Wheel

A Curious History of an Old Inventor

The Blue Glass Epidemic

Publishers' Notice to Mail Subscribers

The Preservation of Learning

Exhibition of Microscopes

American Inventive Progress

On Keeping an Index

New French Woodworking Machines

Straightening Metal Plates

Communications

Stone-Working Implements

Improved Vehicle Springs

New Lubricant-Testing Machine

Some Members of the Lizard Family

Astronomical Notes

The Separation of Cobalt from Nickel by Colorimetric Test

By Leonidas Schuch

New York Academy of Sciences

New Household Inventions

New Miscellaneous Inventions

New Agricultural Inventions

New Woodworking and House and Carriage Building Inventions

Recent American and Foreign Patents

NEW MECHANICAL AND ENGINEERING INVENTIONS

Communications Received

Departments

  • Departments

    New Books and Publications

  • Notes and Queries

  • Business and Personal

  • Index of Inventions

  • Patents

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
April 07, 1877

Confronting Common Wisdom