Valve Cock, Great Northern Railway (GNR). Brass cock on copper tube, stamped 'GNR' on cock and nut. Dimensions: 8"x32". Valve Cock
Valve cock, Great Northern Railway (GNR). Brass Cock on copper tube, stamped 'GNR'. Dimensions: 8"x11". Great Northern Railway Valve Cock
Brass valve cock, Great Northern Railway (GNR). Brass cock on copper tube stamped 'GNR' on cock and nut. Dimensions 8 x 31 inch. Brass Valve Cock