Thomas Swingler (1820-1873)
1853 Patent to Thomas Swingler, of Victoria Foundry, Litchchurch, in the county of Derby for "Improvements in the permanent way of railways"
1859 Thomas Swingler, Victoria Foundry, Derby.
1873 November 4th. Died.
1874 Obituary 
THOMAS SWINGLER was born at Leicester in 1820, and after having been engaged for some years as a workman upon the railway from Syston to Peterborough and upon other railway works in and about Leicester, he removed to Derby, and continued for some years employed upon the Midland Railway under Mr. W. H. Barlow.
He then entered into partnership with Messrs. Marsden and Taylor, engineers, Derby, and some time afterwards on a dissolution taking place he commenced business upon his own account at the Victoria Iron Works, Litchurch, Derby; these works he carried on successfully until their amalgamation in 1868 with the Railway Iron Works of Messrs. Eastwood and Sons, the joint concern of Messrs. Eastwood Swingler and Co. employing over 800 hands.
His death took place suddenly from erysipelas on 4th November 1873, in the fifty-fourth year of his age.
He became a Member of the Institution in 1859.