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Médias: Images- Types de document: Glass negatives
- Types de document: Photographs
- Groupes: Milton - P. L. Robertson Collection
- Année: 1938
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- P. L. Robertson, Roger Ptolemy, Ted W. Gazley
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 - P. L. Robertson and friend
Note on back of photograph - 'P.L.R. and his life-long friend from New York. Borcelino Hat, Callow-Taylored Coat and Suit - new at the time". 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 … Note on back of photograph - 'P.L.R. and his life-long friend from New York. Borcelino Hat, Callow-Taylored Coat and Suit - new at the time". Peter Lymburner Robertson, 1879-1951. Inventor, …Milton Historical Society - P. L. Robertson inspecting roof
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 - Sam Randell at the Press Machine Shop
Photograph taken at the P. L. Robertson Manufacturing Co. Limited. Photograph taken at the P. L. Robertson Manufacturing Co. Limited.Milton Historical Society
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