Volume 105, Issue 25
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Features
Self-dumping and Automatic Baling Scow
A New Type for Refuse Disposal and Harbor Construction
The Strength of an Aeroplane
A Family Hydroplane
Curiosities of Science and Invention
Abstracts from Current Periodicals- December 16, 1911
Phases of Science as Other Editors See Them
Novel Transportation Bridge in Great Britain
A Suspended Ferry
The Most Powerful European Express Engine
An Important French Locomotive Development
Some Locomotive Curiosities
Showing How Present Practice Was Reached by Trial and Error
Preparation of Small Quantities of Impure Radium Bromide
A Simple Micrometer
The Laboratory
Some Suggestions for Home Experiment
The Inventor's Department- December 16, 1911
Simple Patent Law; Patent Office News; Inventions New and Interesting