Ayrton, W. E. 1847-1908. [Letter to George F. FitzGerald from W. E. Ayrton], 4th April 1884. - 1 20 x 12 cm. sheet (folded) ; Subjects--Personal Names: Ayrton, W. E. 1847-1908 --Correspondence Subjects--Topical Terms: Railroads.