The SciencesJune 14, 1913
Shape and Sound in Whistles
Stories by Gustave Michaud
The SciencesJanuary 4, 1913
Selective Reflection in Ultra-Violet Light
Some Curious Cases
The SciencesJuly 27, 1912
Black and White Men in Invisible Light
Tricks Played by Ultra-Violet Rays
The SciencesJuly 6, 1912
Some Experiments with Blue Glass
The SciencesJune 8, 1912
A Light and Shade Illusion - June 8, 1912
The SciencesJuly 29, 1911
An Experiment with Aluminium Powder
The SciencesMarch 11, 1911
Some Optical Experiments with Liquids
The SciencesFebruary 11, 1911
Colored Shadows
The SciencesJanuary 21, 1911
A Mirror Illusion
The SciencesAugust 27, 1910
A Touch-Me-Not Trick
The SciencesJuly 16, 1910
A Hydrostatic Paradox
The SciencesJune 25, 1910
Wandering Chemicals
The SciencesMay 28, 1910
The Cartago Earthquake
The SciencesApril 30, 1910
Some Extraordinary Densities
The SciencesJanuary 8, 1910
A Color and Relief Illusion
The SciencesDecember 4, 1909
Some Photographic Diversions
The SciencesNovember 27, 1909
Blue Roses
The SciencesSeptember 4, 1909
Home-Made Chemical Perfume
The SciencesAugust 14, 1909
Some Acoustic Experiments
The SciencesJuly 24, 1909
Some Experiments with an Orange
The SciencesApril 24, 1909
Milk Testing without Apparatus
The SciencesNovember 28, 1908
A Trick with Tourmaline
TechnologyNovember 7, 1908
A Stereoscope for Single Photographs
The SciencesSeptember 5, 1908
Three Optical Illusions