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"Sulphurators are instruments for distributing flowers of sulphur, for the purpose of destroying mildew. In the case of greenhouse plants, such as heaths, simply dusting with sulphur through a muslin bag or dredger is sufficient." — Encyclopedia Britannica, 1893

Epps's Sulphurator

"Sulphurators are instruments for distributing flowers of sulphur, for the purpose of destroying mildew.…