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    This series of photographs was taken during P. L. Robertson's trip to Scotland in August and September 1918. They are pasted into an album with the following inscription: "To Stimulate The memory of

    This series of photographs was taken during P. L. Robertson's trip to Scotland in August and September 1918. They are pasted into an album with the following inscription: "To Stimulate The memory of

    This series of photographs was taken during P. L. Robertson's trip to Scotland in August and September 1918. They are pasted into an album with the following inscription: "To Stimulate The memory of

    This series of photographs was taken during P. L. Robertson's trip to Scotland in August and September 1918. They are pasted into an album with the following inscription: "To Stimulate The memory of

    This series of photographs was taken during P. L. Robertson's trip to Scotland in August and September 1918. They are pasted into an album with the following inscription: "To Stimulate The memory of

    This series of photographs was taken during P. L. Robertson's trip to Scotland in August and September 1918. They are pasted into an album with the following inscription: "To Stimulate The memory of

    This series of photographs was taken during P. L. Robertson's trip to Scotland in August and September 1918. They are pasted into an album with the following inscription: "To Stimulate The memory of

    This series of photographs was taken during P. L. Robertson's trip to Scotland in August and September 1918. They are pasted into an album with the following inscription: "To Stimulate The memory of

    Good condition. Photograph kept in greyish/brown textured folder. For further information regarding P.L. Robertson, please consult "P.L. Inventor of the Robertson Screw", by Ken Lamb, and "Milton Are

    Note from donor - "P.L. smoking his favourite "Arabella" cigar, cost 5 cents each at the time." Peter Lymburner Robertson, 1879-1951. Inventor, industrialist. Inventor of the Robertson Recess Screw.

    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.

    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.

    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, industria

    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.

    Photograph taken at the P. L. Robertson Manufacturing Co. Limited.

    The office building is on Bronte Street in Milton, Ontario. Peter Lymburner Robertson, 1879-1951. Inventor, industrialist. Inventor of the Robertson Recess Screw. For more information, see "P. L. Inv

    The picture shows the intersection of the railway line and Bronte Road.

    Isa and Jessie Robertson were the sisters of P.L. Robertson. For further information see "P.L. Inventor of the Robertson Screw" by Ken Lamb.

    John and Annie Robertson were the parents of the inventor P. L. Robertson. John died in 1886 and Annie in 1909. John was an immigrant from Scotland and Annie was born in Canada, the daughter of Scott