18 inch Ritchey-Chretien at Unv. Florida - Al-Paslow
This view shows the huge 359 tooth 15 inch Byers gear mated to a Byers worm assembly.  A heavy duty clock drive makes this telescope move with precision.

A slow motion control device makes the final movements when needed.

Note the clutch centered within the main gear

This view shows the huge 359 tooth 15 inch Byers gear mated to a Byers worm assembly. A heavy duty clock drive makes this telescope move with precision.

A slow motion control device makes the final movements when needed.

Note the clutch centered within the main gear

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