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GB Patent: GB-190,820,615
Improvements in apparatus for the dry concentration of crushed ores
Patentee:
Hermann George Christian Thofern (exact or similar names) - Paris, France

USPTO Classifications:

Tool Categories:
specialty machines : ore processing apparatus

Assignees:
Thwaites Brothers, Ltd. - Bradford, Yorkshire, England

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 30, 1908
Granted: Sep. 30, 1909

Patent Pictures:
Espacenet patent
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Vulcan Iron Works, Thwaites Bros.

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