Bragg, William Henry , Sir ,1862-1942. <br/><br/>
Concerning the nature of things ; six lectures delivered at the Royal Institution 

 -  Dover Publications New York  1954  [1954] 
 - 231 p.illus.21 cm. 
<br/><br/> "An unabridged reissue of the last English printing." 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Matter -- Properties.--QC
<br/><br/><label>LC Class. No.: </label>QC171.B7 1954