A. Horlock & Co of Northfleet Ironworks, Kent
- 1848 Built two locomotives for the 4ft gauge Dinorwic Slate Quarries. . One of these, 'Fire Queen', has survived into preservation (see photo). The design is unusual, but the workmanship is excellent.
- Arthur Horlock started up the Northfleet Ironworks in 1847, when he was only 25, taking over a new factory from Poynder & Medlicott (Medlicott being his uncle). He became bankrupt in 1853. His factory was sold to Bell, Wells & Co, shipbuilders. He was later employed at Fletcher’s shipyard in Gravesend, and died in 1866. 
Sources of Information
- ↑ British Steam Locomotive Builders by James W. Lowe. Published in 1975. ISBN 0-905100-816
- ↑  by K A Jaggers, 4th Sept 2011. Root source  is Keith and Elizabeth Jaggers’ Family Heritage website