Dewrance's 1-inch asbestos packed counterbalanced bronze Blow-off Cock, in section. No.2050 Dewrance's 1-inch asbestos packed counterbalanced bronze Blow-off Cock
1" Dewrance's Grease Lubricated Cock, in quarter section. No.2914 1" Dewrance's Grease Lubricated Cock
Cylinder Tap, mounted on board, London & North Eastern Railway, MIC 'No 6'. 7 inch x 2 inch diameter brass tap or cock. Cylinder Tap
