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xc-patents:xc-1291 [2019/05/25 00:16] (current)
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 +====== Patent XC-1291: 1861-11-28, An improved mode of operating variable expansion steam cut-off valves ======
 +
 +^ X Number ​     ^ Date       ^ Inventor ​      ^ City             ^ Title  ^
 +| XC-1291 ​      | 1861-11-28 | Alexander S. Walbridge | Bedford, QC Canada | An improved mode of operating variable expansion steam cut-off valves |
 +
 +===== Comments =====
 +
 +XC patents are Canadian patents issued between 1824 and 1869.
 +
 +===== Information Sources =====
 +
 +(To be filled in.)
 +    ​
 +
 +===== External links =====
 +[[http://​vintagemachinery.org/​mfgindex/​detail.aspx%3Fid%3D1794|&​quot;​Vintage Machinery&​quot;​ entry for A. S. Walbridge]]
 +
  
xc-patents/xc-1291.txt ยท Last modified: 2019/05/25 00:16 (external edit)