The SciencesOctober 17, 1914
Projectile Photography
Easily Arranged Apparatus for Studying the Flight of Bullets
Stories by Norman Barden
The SciencesMay 10, 1913
Hints for Young Microscopists
TechnologyAugust 24, 1912
A Simple Wire-winding Apparatus
The SciencesAugust 24, 1912
Etching Glass with Hydrofluoric Acid
TechnologyApril 8, 1911
Projectile Photography
The SciencesMarch 25, 1911
Photo-micrography for Amateurs
TechnologyDecember 31, 1910
A Photographic Telescope