TY  - BOOK
AU  - M.I.MECH.E WH.EX., J. DUNCAN 
TI  - MECHANICS AND HEAT : AN ELEMENTARY COURSE OF APPLIED PHYSICS 
U1  - Pg13 
CY  - 1914
N1  - Pg mean Physics General & Mechanics Page 457-464 in A to Z Accession Register (Acc. No. Pg1-Pg228) & Page 640 (Acc. No. 224-231)
ER  -