The P.L. Robertson Manufacturing Company - Milton, ON
Posted by: 
saopaulo1
Assisted by: 
Bon Echo
N 43° 30.699 W 079° 53.524
17T E 589552 N 4818231
A plaque for the The P.L. Robertson Manufacturing Company in Milton, ON.
Waymark Code: WMW1X7
Location: Ontario, Canada
Date Posted: 06/28/2017
Views: 13
Created From:
PLEASE READ BELOW BEFORE TAKING THIS ONE - posted by
Bon Echo
The first firm in the world to produce socket-head screws, the P.L. Robertson Manufacturing Company was formed in Hamilton in 1907 and relocated here the following year. It was established by an Ontario inventor Peter Lymburner Robertson and, using an ingenious process he had developed to punch square holes into cold metal, it manufactured the innovative new screw for industrial markets. In its first two decades the company steadily expanded operations. By 1930, when the last patent on the Robertson screw and the equipment used in its manufacture expired, the firm had already begun to diversify its products. Now operated as the Robertson Whitehouse Company, it has become one of the largest manufacturers of light fasteners, including the original Robertson screw, in North America.
Address or location of plaque: Bronte Street North
Physical location of plaque: Town
"Ontario Plaques" Website for this "Plaque": [Web Link]
Description of any physical remains at site of "Historical Plaque": building
This 'Plaque' describes: A 'Structure'
Condition of sign: good
Is this a bilingual sign?: No !
A web-site for more details.: Not listed
What is the second/third language?: Not listed
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