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

Ask a specialist

Will Farmer
Director & 20th Century Design and Glass Specialist

Contact & bio

Other lots of interest


Want to see more like this?

Tell us your areas of interest and sign up for auction emails tailored to your requirements.

Register now