TY  - BOOK
AU  - Duff, A.Wilmer .
AU  - Ewell, Arthur W..
TI  - Physical Measurements
U1  - 535 
PY  - 1911///
CY  - London
PB  - J.&.A. Churchill
KW  - Physics
KW  - Physical Measurements
KW  - Measurements-Physical
KW  - G-Physics
N1  - With 78 Illustrations
ER  -