A beam balance by Griffin in glazed mahogany case - 17 5/8in. wide; another by Oertling in case; and a torsion balance by Baird & Tatlock (3)

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A beam balance by Griffin in glazed mahogany case - 17 5/8in. wide; another by Oertling in case; and a torsion balance by Baird & Tatlock (3)

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