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GB Patent: GB-495,901
Means for eliminating back-lash in the feed screws of machine tools
Patentee: Isaac Henry Wright (exact or similar names) - Birmingham, England USPTO Classifications: Tool Categories: metalworking machines : metalworking machine mechanisms Assignees: James Archdale & Co. Ltd. - Birmingham, England Manufacturer: James Archdale & Co. Ltd. - Birmingham, England Witnesses: Unknown	Patent Dates: Applied: Aug. 12, 1937 Granted: Nov. 22, 1938 Patent Pictures: Espacenet patent Report data errors or omissions to steward Jeff Joslin "Vintage Machinery" entry for James Archdale & Co.

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