English

Specification of William Brockedon : shaping pills, lozenges, and black lead by pressure in dies

5 pages, 1 unnumbered folded leaf of plates : 28 cm · At head of title: A.D. 1843. No. 9977 · "William Brockedon, of Devonshire Street, Queen Square, in the county of Middlesex, gentleman."

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