Hailwoods Improved miners safety lamp Type 01 made by Ackroyd and Best of Leeds used underground in South Wales coal mines Stock Photo - Alamy
Hailwood & Ackroyd 'Hailwoods Improved' miners brass safety lamp No.322 - Antiques, Fine Art & Collectors
1921 photograph of a craftsman whose sole job was to make, refurbish or repair miners lamps for use in the British coal industry. He is using a machine marked Ackroyd & Best