Ready References
A Guide to Backyard Astronomy
Binoculars: Halfway to a Telescope
Choosing Binoculars for Astronomy
Celebrated Variable Stars
Basics of Motion Control
Electrometers and Electroscopes
The Plundered Past
Ready References A Guide to Backyard Astronomy Binoculars: Halfway to a Telescope Choosing Binoculars for Astronomy 
Celebrated Variable Stars 
Basics of Motion Control 
Electrometers and Electroscopes The Plundered Past