dustand impurities, thus preserving the purity of the contents. There is no other inducement to select this form of pan : andapparatus of different shape will be described below. A boiling pan, well adapted to the purpose, is formed by ajacketed vessel, with a wide, open top, and made of good… … Fig. li».—Steam-heated pan for boiliug starch. the roof of the workroom. By means of a steam pressure of 3i to-f atmospheres, the contents of the pan can be heated to 257 F.,this being the extreme limit, though lower temperatures can lieobtained by checking the flow of steam, and thus reducing…
Textile finishing
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