Fessenden, Reginald Aubrey,  1866-1932. <br/><br/>
[Letter to George F. Fitzgerald from Reginald Aubrey Fessenden], 20th December 1898. 

 - Allegheny, PA :  Western University of Pennsylvania,  1898. 
 - 4  27 x 20 cm.  sheets ; 
<br/><br/><label>Subjects--Personal Names: </label><br/>Fessenden, Reginald Aubrey, 1866-1932 --Correspondence.<br/>Heaviside, Oliver, 1850-1925. <br/>Kelvin, William Thomson, Baron,  1824-1907. <br/>Helmholtz, Hermann von, 1821-1894. <br/>Larmor, Joseph, Sir,  b. 1857. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ether (Matter)