1x5gr bottle of Potassium Permanganate tablets, by Burroughs Wellcome, 1920-1950 Bottle of Potassium Permanganate tablets 1920-1950
1x5gr bottle of Potassium Permanganate tablets, by Burroughs Wellcome, 1920-1950 Bottle of Potassium Permanganate tablets 1920-1950
Samples of ignition control additives for petrol engines by Associated Octel, c.1970. (two sets of sealed glass ampoules). Two vials containing potassium permanganate. Samples of ignition control additives for petrol engines by Associated Octel 1970
Box containing small bottle, nearly empty, of 100 "Tabloid" Potassium Permanganate tablets, 2 grains, by Burroughs Wellcome and Co., 1900-1930 "Tabloid"potassium permanganate 1900-1930