Sikes Hydrometer by Joseph Long in Mahogany Eastcheap. One of the weights is missing but it looks like everything else is there. I don't know anything at all about hydrometers but i will try to answer any questions about the condition of this item. This item is in the category "Antiques\Science/Medicine\Scientific Instruments".The seller is "doddz" and is located in this country: GB. This item can be shipped to United Kingdom.