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The Ashton Valve Company 1871

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    #46
    These items from my collection are listed in the #17 manual.
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      #47
      A gauge and tester article from the 1908 "Handbook for the Care and Operation of Naval Machinery"
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        #48
        1908 Handbook for the Care and Operation of Naval Machinery...part 2
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          #49
          Most of the adverts and articles I've collected researching the Ashton Valve company have come from old trade journals. Here are a number of the covers.
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            #50
            Trade journal covers pt 2
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              #51
              Trade journal covers pt 3
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                #52
                Test gauges were available in a couple of different styles.
                The Dead Weight tester, which are still used to this day, was one of the most popular for accuracy.
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                  #53
                  A little more information about the Dead weight tester
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                    #54
                    Part 3 of the Dead weight tester information.
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                      #55
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                        #56
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                          #57
                          Some test gage pieces from my collection.


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                            #58
                            This gage is for testing the accuracy of vacuum gages.


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                              #59
                              And a few other types of testers.


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