Ready References
Signal Conditioning and Data Acquisition Overview
Stepper Servo Motors
AAVSO Historical Light Curves
Notes on the Materials of Research
Notes on the Construction and Design of Instruments and Apparatus
Glass Blowing for the Laboratory
Laboratory Optical Work
Ready
References 
Signal
Conditioning and Data Acquisition Overview 
Notes
on the Materials of Research
Notes on the Construction
and Design of Instruments and Apparatus 