<  Back to Archive
Scientific American Magazine Vol 38 Issue 6

Scientific American Magazine

Volume 38, Issue 6

You are currently logged out. Please sign in to download the issue PDF.

Features

The Horizontal Pendulum

Is Gravity a Mode of Motion?

Medical Progress in 1877

Stick to the Law

Patent Office Employees to be Disgraced

The Mail of the Metropolis

Heinrich Daniel Ruhmkorff

Folding-Door Fireproof Safe

Modern Torpedo Warfare

Smith's Improved Windmill

A New Digging Machine

Communications

Making Callipers

Improved Portable Cider Mill

Powell's Improved Cotton Harvester

The High School of Kolapore, India

The Long-Necked Chelodine

C. Few Seiss

Whales and Whalebone

Beard's Thill Coupling

A Fowl Monstrosity

John Michels

Astronomical Notes

Berlin H. Wright

Wants and Business Inquiries

Departments

Notes and Queries

Business and Personal

Index of Inventions

Patents