[Letter to George F. Fitzgerald from Thomas Preston],
Preston, Thomas, 1860-1900
[Letter to George F. Fitzgerald from Thomas Preston], 13th February 1899. - 1 18 x 11 cm. sheet (folded) ;
Preston, Thomas, 1860-1900 --Correspondence.
Royal Dublin Society.
Spectrum analysis.
[Letter to George F. Fitzgerald from Thomas Preston], 13th February 1899. - 1 18 x 11 cm. sheet (folded) ;
Preston, Thomas, 1860-1900 --Correspondence.
Royal Dublin Society.
Spectrum analysis.