Lot 35: Sold for £130 hammer

Estimate £50-£80

A 19th Century Stanley brass surveying optical square, another example unmarked, a French nickel example, height 16cm, two sets of 19th century Avery sovereign scales, a Stanley prism, an American postal calculator and two iron desk weights. (9)

Condition report
Some dents to optical squares noted

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Will Farmer
Director & 20th Century Design and Glass Specialist

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