prov:value
| - The laboratory; or, School of arts: containing a large collection of valuable secrets, experiments, and manual operations in arts and manufactures, highly useful to gilders, jewellers, enamellers, goldsmiths, dyers, cutlers, pewterers, joiners, japanners, book-binders, plasterers, artists, and to the workers in metals in general; and in plaster of paris, wood, ivory, bone, horn, and other material
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