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Restoring Mahr bench mic with Supramess Stripping the casting let me see shaped snugs. This was well made - no short cuts.

78: Restoring Mahr bench mic with Supramess Didn't have a 3mm wrench - made some snugs to free some small frozen parts - pliers would have ruined everything.
79: Restoring Mahr bench mic with Supramess, This retractor suprized me with a sping. The anvil fits with a taper.
80: Restoring Mahr bench mic with Supramess Disassembly of the thimble - had to clean a bit of rust in the locking system. Needed cleaning.
81: Restoring Mahr bench mic with Supramess After spending some quality time on my hands and knees - I started working with a tray - the pad helps keep things from bouncing. A perfect tray would have curled over edges so to trap anything moving horizontaly.
82: Restoring Mahr bench mic with Supramess. The retractor needed a touch of lapping - really happy I got a set of expanding as part of a $20 lot of tools off ebay.
83: Restoring Mahr bench mic with Supramess Using some spindle oil for the indicator shaft.
84: Restoring Mahr bench mic with Supramess Hammared pewter Matches perfectly.
85: Restoring Mahr bench mic with Supramess Finished and testing with Russian set of .990 - 1 gauge blocks. Just waiting for the gold to fill in the etching.
86: Moon nut?
87: Stoning showed what needed to get fixed.