Patent Specimen - Electrodeposition of Lead

Maker and role
Ernest Clark, Patentee
Ernest Clark, Assignor
Charles Campbell, Assignee
Production date
Feb 01 1898
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Object detail

Glass, lead
3 1/4 x 1 3/4" (8.3 x 4.4cm)
3 1/4 x 3 1/4" (8.3 x 8.3cm)
Clark's invention relates "to the production of a peculiar form of finely-divided metallic lead by means of electrodeposition; and it consists of a certain novel means and methods of preparing a bath or solution from which form of finely-divided lead heretofore unknown is produced by electrolysis, to which form I have given the title of 'feathery' lead, on account if its peculiar appearance in the depositing solution." (Patent Number 598,313)
Object number
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