Scientific American Magazine Vol 123 Issue 1

Scientific American Magazine

Volume 123, Issue 1

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Features

Where the Petroleum Goes, Railroads the Foundation of National Prosperity and more

J. Malcolm Bird

Tuning Up for the Cup Races

"Shamrock IV" -- The Unknown Quantity Among Four 75-Foot Racing Yachts

J. Bernard Walker

The Romance of Invention--XIV

Cottrell-- Catalyser

C. H. Claudy

What Industry Can do for Americanization

And Some of the Things Which the Industries May Expect from Americanization in Return

H. T. Waller

Wonders in Steel Forging

The Role of Giant Hydraulic Presses and Huge Steam Hammers in Large-Scale Blacksmithing

A. R. Surface

Baltimore's Tilting Dam

A Structure That Opens Automatically When It Has Backed Up Too Much Water

J. F. Springer

How Plate Glass is Made

The Tedious Process by Which Modern Technology Has Been Able to Make Glass without Blowing

Ralph Howard

Orchard Medicine Quacks, Moisture Absorption Through Varnish

The Naturalist's Corner

Botanical Notes from All Quarters of the Globe

H. A. Gleason

Departments

Correspondence - - July 3, 1920

Inventions New and Interesting - July 3, 1920

Recently Patented Inventions - July 3, 1920

Notes and Queries - July 3, 1920