Ready References
A Guide to Backyard Astronomy
Beating the Seeing
Keeping Warm at the Telescope
Setting Up and Observing Program
Basics of Motion Control
Electrometers and Electroscopes
Optical Instruments
Ready References A Guide to Backyard Astronomy 
Beating the Seeing Keeping Warm at the Telescope 
Setting Up and Observing Program Basics of Motion Control 
Electrometers and Electroscopes Optical Instruments