Zeroing old Brown & Sharpe micrometer

You really didn't need to purchase the disc , the Mit rod would work fine . Nice mics , I have a few ……………………...dozen . :big grin:

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Yes, figured that but for $10.00 I’ll have the original complete set (I have the original wrench). Wow, few dozen? Vintage pieces or just in general?
Still can’t get the adjustment to stay on or above the zero, is there something to adjust under the cap?
 
On my Brown & Sharpe 3" mike the barrel is unscrewed completely, which allows access to the adjustment sleeve, which is tweaked with the wrench (the one shown is for a Starrett, but you get the idea) . Maybe your mike adjusts the same.. See photos. Mine is already dead on zero, so I didn't play with it. Hope this helps.287588287590

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Thanks, when I take the cap off there is a nut that looks like the little Spanner wrench that was in the box fits on, I’ll play with it, thanks for the photos
 
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