Slotted Block for the Mirror-o-Matic telescope mirror grinding machine

This is a slotted block for the Mirror-o-Matic telescope mirror grinding and polishing machine.by Dennis Rech. You can look at www.mirror-o-matic.com for the information, plans and operations manual.
All size parameters can be adjusted, as well as the diameter of the target mirror. The optional slots for washing out the grid from inside the block slit are also provided.