User Tools

Site Tools


xc-patents:xc-309

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

xc-patents:xc-309 [2019/05/25 00:16] (current)
Line 1: Line 1:
 +====== Patent XC-309: 1851-01-31, Improvement in engine pumps and fire engines ======
 +
 +^ X Number ​     ^ Date       ^ Inventor ​      ^ City             ^ Title  ^
 +| XC-309 ​      | 1851-01-31 | John Hearle | Galt, ON Canada | Improvement in engine pumps and fire engines |
 +
 +===== Comments =====
 +
 +XC patents are Canadian patents issued between 1824 and 1869.
 +"The cylinder of the pump, or engine, is made in two parts, of copper or other metal. In the lower part is a bottom valve for admitting the water, and also a pipe for its passage into the air chamber. A conical leather with a plunger screwed to the piston rod is fixed between the flanges of the two parts of the cylinder, and made air tight by screw bolts or nails..."​
 +
 +===== Information Sources =====
 +
 +(To be filled in.)
 +    ​
 +
 +===== External links =====
 +
  
xc-patents/xc-309.txt ยท Last modified: 2019/05/25 00:16 (external edit)