40-Inch Wide Field Telescope [#2]

You might also be interested in

Image not available
40-Inch Wide Field Telescope [#1]
Additional Formats
[Incl c.ltr ISB to D. W. Dodgen {Perkin-Elmer}; c.memo HWB to ISB]
Bowen
Image not available
40-Inch Wide Field Telescope [#4]
Additional Formats
Bowen
Image not available
40-Inch Wide Field Telescope [#3]
Additional Formats
Bowen
Image not available
40-Inch Telescope Hartmann Tests
Additional Formats
[Incl 3 glass plates]
Bowen
Image not available
Color Aberration --100 and 40-Inch Telescopes
Additional Formats
Bowen
Image not available
ONE HUNDRED-INCH TELESCOPE [2]
Additional Formats
Bowen