A Harding’s Improved Counter, made by G & J Weir Ltd of Cathcart, Glasgow. Weir’s make pumps and are still in business: https://catchingphotons.co.uk/blog/industrial/proper-scottish-engineering/

A Harding’s Improved Counter, made by G & J Weir Ltd of Cathcart, Glasgow. Weir’s make pumps and are still in business: https://catchingphotons.co.uk/blog/industrial/proper-scottish-engineering/