Antique L Oertling 2500 Troy Ounce Brass Counterweight with Carrying Case – RARE
USD 3500.00 USD
From about 1854 to 1860 he collaborated with George H Makins(assayer to the Bank of England) to produce a "Improved Assay Balance". Antique L Oertling 2500 Troy Ounce Brass Counterweight with Carrying Case and Bridge Type Carrying Handle.
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