"Screw Cone" fusible plug fixed in a piece of boiler plate 7/16" thick

Screw Cone' fusible plug renewable from the water side screwed

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Screw Cone' fusible plug renewable from the water side screwed
Science Museum Group
© The Board of Trustees of the Science Museum

"Screw Cone" fusible plug renewable from the water side screwed for 2 in. gas thread and fixed in a piece of boiler plate 7/16" thick

Details

Category:
Motive Power
Object Number:
1888-294
type:
plug
credit:
National Boiler & General Insurance Co.