one ofthe best being on the Juniata River between Harris-burg and Cresson. It can be seen from the windows ofthe Pennsylvania rairoad trains. The Berkshire Hillsalso are noted for their deposits. Proximity to the fac-tory must be taken into account. Some good sandswhich assay ninety-nine and a… … Fig. 2.—Roughing Out. Hydrate of potash is used to clarify the batchand helps to give the clear crystal effect so much de-sired. Soda ash is another article used in glass, as is al-so nitrate of soda, commonly known as saltpetre. 38 Various other chemicals are employed, including:cobalt, which is…
Pottery · Glass · Glassware
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