PURIFYING SULPHUR
Once the sulphure has been mined, it must be refined before it can be used commercially. Furnaces at Catolica perform this operation on the spot
Picture No
10183487
Media ID
45526555
Size
4543px x 3135px
(2.7MB)
Credit
Mary Evans Picture Library/GROSVENOR PRINTS
Source
Drawn and engraved by J Houel
Date
circa 1820 ?
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Catolica Commercially Furnaces Mined Purifying Refined Sulphur
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