Ready References
Beginner's Corner, Jan. 1939
How to Start Right in Astronomy
Choosing Your First Telescope
AAVSO Membership Information
Coating of Surfaces: Evaporation and Sputtering
Technique of High Vacuum
Laboratory Optical Work
Ready References 
Beginner's Corner, Jan. 1939 How to Start Right in Astronomy Choosing Your First Telescope AAVSO Membership Information
Coating
of Surfaces: Evaporation and Sputtering Technique of High Vacuum
Laboratory
Optical Work