You are absolutely correct Stan.
I refer to them that way because as long as I am in my everyday clothes & not my "Sunday go-to Meeting" duds I have a 6" flexible Machinist scale stuck in my left front shirt pocket. Actually, the one I am carrying at present is not of Machinist quality, but a General brand I picked up at Home Depot. It's plenty good enough to measure chamber lengths.
When I was actively employed as a Machinist it was always a Starrett with 16R graduations. One side was graduated in 32nds & 64ths with the other side having 50ths & 100rds. This General only has 32nds & 64ths with back side having a decimal equivalent chart. Browne & Sharpe was generally my preferred brand but for some reason, they did not offer this 16R graduation on their scales so I chose the Starrett.
