Skip to main content

Features

A New Telephone System

Testing Argentiferous Lead Ores

Rural Drainage and Disease

By H. C. Hovey

Vaccination in Smallpox

Agricultural Inventions

Feast of Strange Fish

By A. W. Roberts

Double Tongue for Harvesters

Novel Rein Holder

A New System of Telephony

By A. E. Dolbear

Mechanical Inventions

Silk Culture in America

Photographing the Vibrations of the Voice

By C. Cuttriss

Engineering Inventions

New Book Protector

Miscellaneous Inventions

Improved Wind Motor

Amphora of Bronze and White Metal

The Lump Fish

Departments

  • Departments

    Recent Inventions

  • New Inventions

  • Business and Personal

  • Notes and Queries

  • Index of Inventions

  • New Books and Publications

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
June 18, 1881

See the World from a Different Perspective

Subscribe to Scientific American MIND