Pitheadgear:
Bennett & Sayer brick machinery 1892 Colliery Managers Pocket Book
Pitheadgear:
Thompson & Southwick Haulage Pulleys 1892 Colliery Managers Pocket Book
Pitheadgear:
Bristol miners electric lamps 1892 Colliery Managers Pocket Book
Pitheadgear:
Thornwill Wareham, Burton on Trent, Engineers, 1892 Colliery Managers Pocket Book