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Item types: Photographs- Item types: Articles
- Groups: Milton - P. L. Robertson Collection
- Year: 1940
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- P. L. Robertson at the Milton Fall Fair
Peter Lymburner Robertson, 1879-1951. Inventor, industrialist. Inventor of the Robertson Recess Screw. For more information, see "P. L. Inventor of the Robertson Screw" by Ken Lamb. Peter Lymburner Robertson, 1879-1951. Inventor, industrialist. Inventor of the Robertson Recess Screw. For more information, see "P. L. Inventor of the Robertson Screw" by Ken Lamb.Milton Historical Society
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