Skip to main content
Scientific American Magazine Vol 91 Issue 8

Scientific American Magazine

Volume 91, Issue 8

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

Features

Radio-Activity Induced by the Emanations of Incandescent Metal Wires

Japanese Daring on Land and Caution on the Sea

Deductions from the Baltimore Fire

Electricity in Agriculture

A Plea for the Endowment of Astronomical Research

Mammoth Dredger Used for Reclamation Work in California

William A. Lawson

An Instrument for Indicating Mean Astronomical Noon

Emile Guarini

A New German Tower Electric Crane

Frank C. Perkins

New Steam Turbine

Pumping Machinery at the St. Louis Fair

By the St Louis Correspondent of the Scientific American

The 1905 Eclipse of the Sun

Mary Proctor

Admiral Togo's Flagship "Mikasa"

The Iguana

The Reindeer Industry in Alasska

R.I. Geare

Departments

Correspondence - August 20, 1904

New Books, Etc. - August 20, 1904

Recently Patented Inventions - August 20, 1904

Business and Personal Wants

Notes and Queries - August 20, 1904

Index of Inventions - August 20, 1904

Patents - August 20, 1904