Additional Formats
Cassegrain-Schmidt Image Tube Camera [#1]
You might also be interested in
Image not available
Cassegrain-Schmidt Image Tube Camera [#2]
Additional Formats
[Incl c.ltr ISB to WABaum]
Bowen
Image not available
Cassegrain Schmidt [#1]
Additional Formats
[Incl c.ltr WABaum to Don E. Davidson; c.4 ltrs ISB to WABaum; ltr WABaum to ISB]
Bowen
Image not available
Thermal Compensation (DTM Image Tube)
Additional Formats
[Incl ltr WABaum to ISB; c.ltr BHRule to HWB]
Bowen
Image not available
Image Tube Spectrograph Gratings, etc
Additional Formats
[Incl c.memo ISB to Image Tube Nebular Spectrograph Committee; c.ltr John D. Lytle to Bob Pondexter {Boller & Chivens}. [folded]
Bowen