TY  - BOOK
AU  - Singh,Harnam
TI  - B. Sc. practical physics: writer on physics 
SN  - 8121904692
U1  - 530.80287 21
PY  - 1957///.[Reprinted 2004]
CY  - Delhi
PB  - S. Chand
KW  - Physical measurements
KW  - Physical instruments
N1  - Includes index
ER  -