The SciencesApril 13, 1912
What Inventors are Doing - April 13, 1912
Simple Patent Law; Patent Office News; Inventions New and Interesting
Stories by C. H. Claudy
The SciencesApril 6, 1912
Photographic Distortion
Real and "Faked"
The SciencesMarch 23, 1912
Suggestions for the Workshop
Ingenious Expedients of Resourceful Mechanics
The SciencesApril 22, 1911
Drawing Maps from Nature
The plane-Table and its use
The SciencesFebruary 11, 1911
His Life in His Hands
The Romantic Vocation of the Diver
TechnologyDecember 25, 1909
How Your Eyeglasses are Made
The SciencesNovember 13, 1909
Our Aeronautical Organization
The SciencesJune 5, 1909
Making the Eye of Science
The SciencesNovember 28, 1908
The Guiding Lights of Our Coasts
TechnologyJune 20, 1908
New Electrical Apparatus of the United States Signal Corps
The SciencesMay 16, 1908
How Cave Air is Used to Regulate the Temperature of a House
TechnologyMarch 14, 1908
The Ourdan Engraving Machine
The SciencesSeptember 21, 1907
Regarding Spar Buoys
TechnologyJuly 27, 1907
Photomicrographs without a Microscope
The SciencesJune 29, 1907
Sound Signals for Mariners: An Inventive Field Which is not Overworked
Space & PhysicsAugust 25, 1906
New Asteroid Camera at the Naval Observatory
The SciencesJuly 14, 1906
A Machine that Smokes Cigars
The SciencesJuly 22, 1905
The Moro Fire Maker
The SciencesJune 24, 1905
The United States Naval Observatory Eclipse Expedition
The SciencesJune 17, 1905
A Model Photographic Laboratory
Space & PhysicsNovember 26, 1904
The New Asteroid Camera at the United States Naval Observatory