Check the listing for details. Hydrometer Set, Vintage, 0.7 to 2.0, Used. Condition: Used. Listed at 125.00 USD. This is a set of 7 glass hydrometers, manufactured by Princo and sold by Van Waters and Rogers Scientific. They are 0.7-0.8, 0.8-0.9, 0.9-1.0, 1.0-1.2, 1.2-1.4, 1.4-1.6 and 1.8-2.0. They are in good condition. The set is missing 1.6-1.7 and 1.7-1.8, which I broke over the course of using them. I have used them for many years in my lab, but no longer need them. The case weight is 2 pounds
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