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Bottle of potassium permanganate crystals

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
1x5gr bottle of Potassium Permanganate tablets, by Burroughs Wellcome, 1920-1950

Bottle of Potassium Permanganate tablets

1920-1950
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