TechnologyOctober 19, 1918
The Industrious Photographer
All Pictures Are Not Pleasing; but with the Aid of Brush, Scissors, Paste and a Fresh Exposure, Several Mediocre Prints Can Be Combined to Make One Negative of Merit
Stories by Percy Collins
The SciencesApril 20, 1918
Wax Modeling from Nature
A Pleasing Diversion and a useful Accomplishment for the Naturalist
The SciencesMarch 2, 1918
The Evolution of Time-Marking Devices
Some Simple Devices that Served Our Ancestors
The SciencesDecember 1, 1917
Relics of Old-Time Justice
Rough and Ready Methods of the Simple Life of our Ancestors
The SciencesMay 5, 1917
Sand Devastation
How the Dunes Advance and how Their Movement is Checked
The SciencesMarch 24, 1917
Novel Pets and how to Keep Them
Hints for Nature Study Sections of Schools
The SciencesJuly 31, 1915
Burrowing Animals
Borers That Wend Their Way Even Through Rock
The SciencesMarch 20, 1915
Table-Top Geography
Hints on the Construction of Simple Models
The SciencesFebruary 21, 1914
Showing Museums to the Blind
The SciencesDecember 13, 1913
Catalepsy in Insects
Experiments Showing how Insects Pass Periodically into a Trance
EvolutionAugust 30, 1913
How Insects Fight
Stings, Mandibles, Horns and Poisons in Warfare
The SciencesJuly 26, 1913
Simple Methods in Model-making
How Soft Wood and Cardboard Can be Used
The SciencesNovember 25, 1911
Garden Railways
Elaborate Toys and Serviceable Miniatures on English Estates
TechnologyNovember 12, 1910
A New Electric Locomotive
The SciencesMay 28, 1910
How to Act in Case of Fire
The SciencesMay 7, 1910
Nature as an Inventor - May 7, 1910
The SciencesMarch 26, 1910
Eggs of Curious Forms
TechnologyFebruary 26, 1910
Novel Electrical Appliances
The SciencesDecember 18, 1909
The Life of a Splash
The SciencesSeptember 4, 1909
Ants and Bees as Pets
A Curious Hobby for Amateurs
The SciencesMay 1, 1909
Tricks with Soap Bubbles
The SciencesApril 17, 1909
The Eyes of Animals
The SciencesAugust 15, 1908
The Evolution of the Blow
The SciencesFebruary 29, 1908
Nature's Flying Machines