Ready References
A Guide to Backyard Astronomy
The Art of Using a Telescope
Power and Aperture in Binoculars
Variable Stars Explained
Control Instrument Applications
Optical Instruments
Notes on the Construction and Design of Instruments and Apparatus
(2000).iso/amsci01/images/info24.jpg){kind=small}
Ready References Power and Aperture in Binoculars (2000).iso/amsci01/images/application.jpg){kind=small}
Control Instrument Applications (2000).iso/amsci01/images/construct24.jpg){kind=small}
Notes on the Construction and Design of Instruments and Apparatus (2000).iso/amsci01/images/observ24.jpg){kind=small}