Jones, H. Spencer  1890-1960., <br/><br/>
The earth as a clock :  being the Halley lecture delivered on 5 June 1939 / 
by H. Spencer Jones ... 
 - 32 pages :  diagrams ;  23 cm 
 - The Halley lecture,  1939 .
 - Halley lecture ;  1939. .
<br/><br/><label>Standard No.: </label>http://catalogue.bnf.fr/ark:/12148/cb32288523m  uri 
<br/><br/><label>LCCN: </label>41007421  
<br/><br/><label>Nat. Bib. Agency Control No.: </label>001895190  Uk 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Time.<br/>Day.<br/>Planets--Rotation.<br/>Day.<br/>Time.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Earth (Planet)--Rotation.<br/>Earth (Planet)
<br/><br/><label>Subjects--Index Terms: </label>Astronomy United Kingdom Timekeeper (general) 
<br/><br/><label>Universal Decimal Class. No.: </label>529:525.31