Space & PhysicsFebruary 1, 1939
Telescoptics, February 1939
A Monthly Department for the Amateur Telescope Maker
Stories by Albert G. Ingalls
Space & PhysicsJanuary 1, 1939
Telescoptics, January 1939
A Monthly Department for the Amateur Telescope Maker
Space & PhysicsDecember 1, 1938
Telescoptics, December 193
A Monthly Department for the Amateur Telescope Maker
Space & PhysicsNovember 1, 1938
Telescoptics, November 1938
A Monthly Departtnent for the Amateur Telescope Maker
Space & PhysicsOctober 1, 1938
Telescoptics, November 1939
A Monthly Department for the Amateur Telescope Maker
The SciencesSeptember 1, 1938
Telescoptics, September 1939
A Monthly Department for the Amateur Telescope Maker
Space & PhysicsSeptember 1, 1938
Slicing and Polishing Meteorites
The SciencesAugust 1, 1938
Telescoptics, August 1938
A Monthly Department for the Amateur Telescope Maker
Space & PhysicsJuly 1, 1938
Telescoptics, July 1938
A Monthly Department For The Amateur Telescope Maker
The SciencesJune 1, 1938
Telescoptics, June 1938
A Monthly Department for the Amateur Telescope Maker
The SciencesMay 1, 1938
Telescoptics, May 1938
A Monthly Department for the Amateur Telescope Maker
Space & PhysicsApril 1, 1938
Telescoptics, April 1938
A Monthly Department for the Amateur Telescope Maker
Space & PhysicsFebruary 1, 1938
Telescoptics
A Monthly Department for the Amateur Telescope Maker
EvolutionJune 1, 1937
Homalodotherium For Short
EnvironmentMay 1, 1937
Your House May have Termites
Space & PhysicsOctober 1, 1936
The Sun Reawakens
HealthJune 1, 1936
If You Smoke
Was Father Right?, Why We Smoke, Cigarettes Least Harmful, The Newer Moistening Agent, Acidity, What Answer Gives Science?
The SciencesApril 1, 1936
Amateur Seismology
Half Amateur, Half Professional . . . Constant Battle . . . Listing the Difficulties . . . No Royal Road to this Scientific Hobby . . . Work . . . Work
The SciencesAugust 1, 1935
Diggers in the Field
Archeologists Dig Up Ancient Utensils Very Much Like Our Own, One of Them a Mystery
Space & PhysicsMay 1, 1935
The Amateur Astronomer, May 1935
The SciencesDecember 1, 1934
Advanced Amateur Photography Infra-Red and Ultra-Violet
Space & PhysicsSeptember 1, 1933
The Amateur Astronomer, September 1933
Space & PhysicsMay 1, 1933
The Amateur Astronomer, May 1933
The SciencesFebruary 1, 1933
The Amateur Rides a New Hobby