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Crosby ' Indicator ' Steam Engine Spring Tester Vintage Antique

Crosby ' Indicator ' Steam Engine Spring Tester Vintage Antique Other Antique Science Equip photo   Category : Science & Medicine (Pre-1930) > Scientific Instruments > Other Antique Science Equip
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Crosby ' Indicator ' Steam Engine Spring Tester Vintage Antique Other Antique Science Equip photo 1Crosby ' Indicator ' Steam Engine Spring Tester Vintage Antique Other Antique Science Equip photo 2Crosby ' Indicator ' Steam Engine Spring Tester Vintage Antique Other Antique Science Equip photo 3Crosby ' Indicator ' Steam Engine Spring Tester Vintage Antique Other Antique Science Equip photo 4
Crosby ' Indicator ' Steam Engine Spring Tester Vintage Antique Other Antique Science Equip photo 5Crosby ' Indicator ' Steam Engine Spring Tester Vintage Antique Other Antique Science Equip photo 6Crosby ' Indicator ' Steam Engine Spring Tester Vintage Antique Other Antique Science Equip photo 7Crosby ' Indicator ' Steam Engine Spring Tester Vintage Antique Other Antique Science Equip photo 8
Crosby ' Indicator ' Steam Engine Spring Tester Vintage Antique Other Antique Science Equip photo 9Crosby ' Indicator ' Steam Engine Spring Tester Vintage Antique Other Antique Science Equip photo 10

    

Uploaded by vasyliych on Apr 1, 2016
        
Known Information
Category : Science & Medicine (Pre-1930) > Scientific Instruments > Other Antique Science EquipItem Id: 154492
Estimated value: around 100 USD
More info
it also had a drum with a diameter of 1.5 inches, and could be supplied for use with gas engines with a piston-face area of only a quarter of a square inch (piston diameter: 0.564 inches)
A minor variation allowed either 'steam' or 'gas' pistons to be used by providing exchangeable pistons and liners
Navy and merchant marine were made by Trill (for use with steam engines) or by Bacharach (for the diesels)
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