Cassegrain Theory

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  Cassegrain Schmidt [#1]

  Additional Formats

  [Incl c.ltr WABaum to Don E. Davidson; c.4 ltrs ISB to WABaum; ltr WABaum to ISB]

  Bowen

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  Cassegrain Schmidt [#2]

  Additional Formats

  Bowen

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  Coma and Curvature -- Cassegrain

  Additional Formats

  Bowen

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  Solid Block Cassegrain Schmidt

  Additional Formats

  [Incl c.ltr ISB to WABaum]

  Bowen

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  Cassegrain Corrector --200-Inch

  Additional Formats

  [folded]

  Bowen

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  Cassegrain Correctors --60-Inch [#1]

  Additional Formats

  Bowen