Features
The Freight Congestion at the Port of New York
Object Lesson Emphasizing our Urgent need of a Merchant Marine
Progress of the Seagoing Flying Boat
The Curtiss seaplane, construction and use in anti-submarine warfare
Strategic Moves of the War, December 16th, 1915
Our Military Expert
Explanation of the Double Report of Gunfire
The following article is of special interest when compared with the letter of Mr. Hiram Percy Maxim, published in the Scientific American of September 18th last. Although Mr. Maxim approached the subject from a widely different angle he reached the same conclusions as did Lieut...
A Government Fossil Tract in Utah
Christmas in the Air, Benzine Tractor, for Railway and Road Service and more
Christmas in the Air
Benzine Tractor for Railway and Road Service
16-Inch Gun for Coast Defense Service for Panama
and more
United States Patents Issued for Week Ending December 28th, 1915
Departments
- Letters
Correspondence - December 25, 1915
- Reviews
New Books, Etc. - December 25, 1915
- Departments
Inventions New and Interesting - December 25, 1915
Recently Patented Inventions - December 25, 1915
Index - December 25, 1915