Ready References
Beginner's Corner, Dec. 1938
Using a Naked-Eye Starmap
Star-Finding With a Planisphere
AAVSO Historical Light Curves
Signal Conditioning and Data Acquisition Basics
Laboratory Optical Work
Putting Events in Order
Ready References 
Beginner's Corner, Dec. 1938 
Using a Naked-Eye Starmap Star-Finding With a Planisphere 
AAVSO Historical Light Curves Signal Conditioning and Data Acquisition Basics Laboratory Optical Work Putting Events in Order