Author:
Sir William Henry Preece (1834-1913), 'Engineer-in-Chief and Electrician, General Post Office, London; Vice-President of the Institution of Civil Engineers.'
Publication details:
London: Printed by William Clowes and Sons, Limited, Stamford Street and Charing Cross. 1897.
8vo: 13 pp. Stitched. In original cream printed wraps. On aged, spotted paper, in heavily worn wraps. Facsimile of handwriting at head of front wrap reads 'With the Author's Compliments'. Two diagrams in text.