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INSTRUCTIONS - Cassegrain (pdf)
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INSTRUCTIONS - Newtonian (pdf)
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INSTRUCTIONS - Telrad (pdf)
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TECHNICAL PAPERS (pdf)
Bob’s Knobs and the Celestron SCT
Bob’s Knobs and the Meade Six-Screw Secondary
PRODUCT BROCHURES (pdf)
General Catalog
Bob’s Knobs for the Meade Lightbridge
Bob’s Knobs for the Losmandy G-11 and GM-8 Mounts
