Pit prop
1700-1800
Model of German friction prop
circa 1940
Model of German friction prop
circa 1940
Model of German friction prop
circa 1940
Wooden Pit Prop
Wooden pit prop from St Helens Collieries
wood pit prop
Wooden Pit Prop
Model of GHH Werk Sterkrade telescopic yielding friction prop
circa 1950
Timber Pit Prop
Silver birch pit prop from St Helens Collieries
Wood pit prop, curbing ring or part of horse gin
Wooden Pit Prop
Wooden Pit Prop
Steel Pit Prop - Newbattle
Steel Pit Prop - Butterley
Steel Pit Prop - S.F.
Steel Pit Prop - S.F. Joist Pattern Old Type
Steel Pit Prop - Berrisford
Steel Pit Prop - Hinged Joist Prop for Ashington Colliery
Steel Pit Prop - Baird
Steel Pit Prop - Neusarre
Steel Pit Prop - Tait
Steel Pit Prop - S.A.M.
Steel Pit Prop - Juchs
Steel Pit Prop - Mureaux
Steel Pit Prop - S.F.Prop
Steel Pit Prop - Chatham
Steel Pit Prop - Composite Tapered Prop
Steel Pit Prop - "Walker Wilson"
Steel Pit Prop - "Schwarz"
Steel Pit Prop - Neusarre (Tubular)
Steel Pit Prop - Sarre
Steel Pit Prop - Ruhr
Sectioned hydraulic prop made by Dowty Mining Equipment Ltd
circa 1970
Pit prop.
Six model self release Pit Props (One broken)
Pit prop. Section of broken curbing ring
Coal mining roof support
1870 c.