Peridier Filar Micrometer by Manent

A large filar micrometer made by Manent. It has a long sleeve that fits in the focuser base once you remove the drawtube with the focuser on it. This has two readouts for measuring.

 
view of the business end

 
Top view, showing the 3" tube. I removed the adapter from the tailpiece that holds either the filar micrometer or the focuser and put it on here for the picture.

Cover and eyepiece holder removed, showing the two slides. You can see the two pieces that hold the threads, along with the pins to hold the missing two pieces.

Making the missing pieces to hold the threads.