Search results
Help Support Home Model Engine Machinist Forum:
-
6
Mercer or John Bull?
Hi all, might be a really silly question, but as I'm a newby, I hope you will all be gentle with me. I have acquired several plunger type dial indicator gauges. amongst them, I have a Mercer and John Bull gauges in both .0005 and .0001.....They were in a batch of spares and repairs and alll...