SBAUstars:
T2187829 SBAU Telescope Workshop TimC Binocular Mirror base drawing by Craig Colvir 2005 for Don French maybe
SBAUstars:
T2187836 SBAU Telescope Workshop John's Newtonian telescope 1400mmFL 150mmDia spider webs inside
SBAUstars:
T2187837 SBAU Telescope Workshop John's Newtonian telescope 1400mmFL 150mmDia some dirt on mirror
SBAUstars:
T2187839 SBAU Telescope Workshop John's Newtonian telescope 1400mmFL 150mmDia primary mirror end
SBAUstars:
T2187840 SBAU Telescope Workshop Charlene John's Newtonian telescope 1400mmFL 150mmDia TimC
SBAUstars:
T2187848 SBAU Telescope Workshop TimC 8 Inch mirror Ronchi after two 4 inch pitch lap polishing sessions
SBAUstars:
T2187849 SBAU Telescope Workshop TimC 8 Inch mirror Ronchi after two 4 inch pitch lap polishing sessions
SBAUstars:
T2187850 SBAU Telescope Workshop TimC 8 Inch mirror 4 inch pitch lap polishing Chordal strokes
SBAUstars:
T2187851 SBAU Telescope Workshop TimC 8 Inch mirror 4 inch pitch lap polishing chordal strokes
SBAUstars:
T2187853 SBAU Telescope Workshop TimC 8 Inch mirror Ronchi after three 4 inch pitch lap polishing sessions
SBAUstars:
T2187855 SBAU Telescope Workshop TimC 8 Inch mirror Ronchi after several 4 inch pitch lap polishing sessions