TY  - BOOK
AU  - Robson,Pam
TI  - Clocks, scales & measurements
SN  - 0531174190
AV  - QC55 .R6 1993
U1  - 530.8/078 20
PY  - 1993///
CY  - New York
PB  - Gloucester Press
KW  - Physical instruments
KW  - Juvenile literature
KW  - Physical measurements
KW  - Experiments
KW  - Measurement
N1  - Includes index
N2  - Presents information and activities related to the measurement of time, weight, area, density, and other aspects of the world around us
ER  -