John T. De Seyfried
John T. De Seyfried
1922 B.Sc., M.Eng., Agent and Manager of the Llay Main Collieries, Ltd., Gresford, near Wrexham. Ed. in Paris and at the University of Birmingham (Honours degree, 1907). Trained under the late Sir Arthur Markham, Bart., M.P. Formerly Manager of the Bullcroft Colliery (Yorks), and Agent of the Oxcroft Collieries (Derbyshire), and of the Wyken and Craven Collieries (Warwickshire). Technical Translator to the Home Office, 1909; travelled in France, Germany and Poland for the Parliamentary Commission on Spontaneous Combustion in Coal Mines, 1913. Joint report to the above on the practicability of Hydraulic Stowing in the British Coal Fields. War Services.—Home Office, Coal Mines Department—Chief Technical Administrator of the Coal Mines Control Agreement. Home Office, Inland Revenue Conjoint Branch—Chief Technical Adviser.