Bullocks patent 1904 "pendant cone" fusible plug No.1A screwed 2 in. gas thread in half longitudinal section

Made:
1904
Bullocks patent 1904 pendant cone' fusible plug No

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Bullocks patent 1904 pendant cone' fusible plug No
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Bullocks patent 1904 "pendant cone" fusible plug No.1A screwed 2 in. gas thread in half longitudinal section, fixed in piece of boiler plate 3/8" thick

Details

Category:
Motive Power
Object Number:
1906-30
type:
plug
credit:
Vulcan Boiler & General Insurance Co.