Cast Steel Chair for Firth's Patent Steel Prop

Cast Steel Chair for Firth's Patent Steel Prop

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Cast steel chair used to cap Firth's patent steel prop, incorporates wedge for adjustment in place and trip device operated by pull applied from safe distance to allow release of prop

Details

Category:
Mining & Ore Dressing
Object Number:
1933-382 Pt2
Materials:
steel
Measurements:
overall: 210 mm x 330 mm x 170 mm,
type:
chair
credit:
City & Guilds Engineering College