Abbe-type refractometer used by Fisons Pest Control made by Bellingham and Stanley Ltd
Abbe-type refractometer used by Fisons Pest Control made by Bellingham and Stanley Ltd, London, 1951-1960, serial number 461046.
Abbe-type refractometer used by Fisons Pest Control made by Bellingham and Stanley Ltd, London, 1951-1960, serial number 461046.