TY  - BOOK
AU  - Branley, Franklyn M.
TI  - How little and how much : : a book about scales 
SN  - 9810101937  
AV  - QC 90.6 .B821 1953
U1  - GS 530.7  
PY  - 1953///
CY  - New industrial road, Singgapore : 
PB  - Earlybird books, 
ER  -