From my plumb bob collection - Here we have a Vintage LUFKIN No. 590G Brass Gas OilFuel Tank Outage Measuring Plumb Bob. The plumb bob is Maker identified on one side. It is in Excellent usedcondition with original patina and a nice smooth surface. One side has a narrow milled surface, and next to that is a calibrated measuring surface. The solid brass body is 1" in dia. x6-3/4" Long. The bob weighs approx.21 oz. No owner's marks. Nice additiont...o a 'Plumb Bob' or a 'Gas & Oil' Collection !!
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