These Magnifiers are in great working condition. H. Watsons & Sons were ‘Opticians to H M Government”. Located at 313 High Holborn, London. There are marks on the gold plated frames stating ‘ PAT184310’and elsewhere ‘PAT 369803/1931’. They measure 11cms wide when closed.
Ask the Dealer
I have been dealing with antiques for over 45 years. I have a special interest in medical and optical items. The earlier the better for my collection. I used to sell in Portobello Rd & Bermondsey Market, I now can be found at Newark & by appointment .