19thC coromandel or similar wood camera obscura fish eye type attachment or lens
Sold for £600
+ Buyers Premium

Everything from a county standard petrol measure to a sample of undersea cable would be included in the scientific instruments, weights and scales categories.
In this modern age of computers, vintage mechanical objects such as a Curta mechanical calculator or a vintage telegraph machine help to explain the development of the modern age and as such are very popular.
Weights and scales have a strong following, you may imagine the weights you may see on a vintage set of kitchen scales but porcelain weights used in a shop, and number weights or sets used by the local authority for verification of a shopkeeper’s set are all of interest to specialist collectors.
Scales often overlap with the weights, such as county standard scales, used to verify weights at customers premises, petrol measures are similar, used to verify that the ‘20 litres’ of petrol you purchase is actually 20 litres.
Harper Field have helped both private individuals and local authority trading standard departments sell large collections of items, handling everything from the sorting of the items into suitable lots right through to the sale itself, offering a truly hassle-free option.
Curious to know if your item is suitable for one of our upcoming sales. Provide information and share images to request an online estimate now.

To include toys, live steam & model engineering, musical instruments, vinyl records, pictures & paintings, books, ephemera, stamps, classic cars & motorcycles and motoring & transport.
15th - 16th Apr 2026 | 10:00 am

To include guns & weapons, medals & militaria, taxidermy & sporting and ceramics & glass
13th - 14th May 2026 | 10:00 am

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