SA Supplements Vol 76 Issue 1973supp

SA Supplements

Volume 76, Issue 1973supp

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Features

The British Association for the Advancement of Science

Abstracts of the Principal Papers

The Rheims Aviation Meeting and the Gordon Bennett Cup Race

The Winners and their Machines

John Jay Ide

Tungsten Lamps of High Efficiency—I

The Loss of Efficiency of Tungsten Lamps by Blackening of the Bulb, and Methods of Preventing It

Irving Langmuir

Stone Monuments—II

Their Relation to History and Geography

J. Walter Fewkes

Hoisting in Place a Giant Girder

O. W. Brown

Coloring Non-Ferrous Metals and Alloys

Cleaning Work; Receipts for Producing Different Colors Oxidizing; Mottling

E. F. Lake

Counting Electrons and Molecules

Staling of Bread Explained in the Light of Physical Chemistry

Fallacy of the Popular Idea that the Staling of Bread is Due to Drying

Richard Lorenz

Experiments on “Suction” between Passing Vessels

An Investigation Provoked by the “Olympic” “Hawke” Collision

A. H. Gibson, J. Hannay Thompson

The Meaning of a Change of Two Inches in the Barometer

A. F. Miller