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GB Patent: GB-191,423,184
Improvements in grinding or polishing machines
Patentee: Blackett William Haigh (exact or similar names) - Manchester, England USPTO Classifications: Tool Categories: woodworking machines : sanding machines : belt sanders Assignees: Oliver Machinery Co. - Manchester, England Manufacturer: Oliver Machinery Co., Ltd. - Manchester, England Witnesses: Unknown	Patent Dates: Applied: Nov. 27, 1914 Granted: Aug. 26, 1915 Patent Pictures: Espacenet patent Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Oliver Machinery Co., Ltd.
Description: Belt sander that does away with the need for a third sanding-belt pulley to tension the belt. This was hardly a new idea.

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