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