“Made in Germany”, Physical Tests for Aviators, and more

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

The Laboratory

Some Suggestions for Home Experiment

A Simple Micrometer

The Inventor's Department- December 16, 1911

Simple Patent Law; Patent Office News; Inventions New and Interesting