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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.

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.
80: Restoring Mahr bench mic with Supramess Disassembly of the thimble - had to clean a bit of rust in the locking system. Needed cleaning.
79: Restoring Mahr bench mic with Supramess, This retractor suprized me with a sping. The anvil fits with a taper.
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.
77: Restoring Mahr bench mic with Supramess Stripping the casting let me see shaped snugs. This was well made - no short cuts.
76: Restoring Mahr bench mic with Supramess Supramess - sort of the ultimate in mechanical indicators.
75: Restoring Mahr bench mic with Supramess Touch of rust
74: Restoring Mahr bench mic with Supramess Original state
73: Mitutoyo indicator - Plastic lens? Cracked in two places..
72: Mitutoyo indicator - missing screw.