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GB140824A
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Improvements in and relating to hard lead alloys
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US1360348A
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Hard lead alloy
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US1360347A
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Lead alloy
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US1360269A
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Hard lead alloy
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US1360346A
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Lead-base alloy
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US1360272A
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Lead-base alloy
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US1339084A
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Bearing
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US1360339A
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Hard lead alloy
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US1217711A
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Metallic compound.
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US1217710A
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Metallic compound.
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US823097A
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Apparatus for making white lead.
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US846384A
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Lead product.
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US864443A
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Apparatus for pulverizing metallic lead.
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US846444A
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Process of making metallic oxids.
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US830196A
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Apparatus for producing white lead.
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US829379A
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Apparatus for manufacturing corroding-gas.
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US766133A
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Treating the residue resulting from manufacture of white lead.
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