A Hint to the Censor.
"To cool hot journals apply a dressing made of 11 lb. blacklead, 23 lb. Epsom salts, 9 lb. sulphur, 2 lb. lampblack and 5 lb. oxalic acid, mixed and ground together."—Ironmonger.
"To cool hot journals apply a dressing made of 11 lb. blacklead, 23 lb. Epsom salts, 9 lb. sulphur, 2 lb. lampblack and 5 lb. oxalic acid, mixed and ground together."—Ironmonger.