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Walter Leo Hildburgh
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Individual
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Individual
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Publication of GB190822073ApublicationCriticalpatent/GB190822073A/en
22,073. Hildburgh, W. L. Oct. 19. Drawings to Specification. Ornamenting glass surfaces.-Grease is applied through a stencil, and the uncovered parts are then silvered. Copper may then be deposited upon the silver. The grease is finally dissolved off.
GB190822073D1908-10-191908-10-19Improvements in Advertising Machinery.
ExpiredGB190822073A
(en)