.A quick post about the Bardsley surface mounted door check and spring, which as can be seen was invented/patented in 1903 by Joseph Bardsley of New York.
As you will see the Bardsley's I have are slightly different to the ones in the patent, the adjustment valve is positioned in a different place so I believe they came after the patent date of 1903, there was also some sort of connection between Le Page who along with Bardsley obtained patents in both America and Canada for the closer in the patent.
:https://archive.org/details/hardmerchjanmar1909toro
"LePage Invented the LePage Oil Door Check and Spring and with Bardsley of New York obtained patents for USA and Canada, he sold them all over including the Smithsonian and the White House."
The above information regarding LePage and Bardsley taken from here:
https://www.worthpoint.com/worthopedia/antique-unique-wooden-communion-tray-with-glass
"LePage Invented the LePage Oil Door Check and Spring and with Bardsley of New York obtained patents for USA and Canada, he sold them all over including the Smithsonian and the White House."
The above information regarding LePage and Bardsley taken from here:
https://www.worthpoint.com/worthopedia/antique-unique-wooden-communion-tray-with-glass
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