TY  - BOOK
AU  - Whitehead,T.N.
TI  - The Design and use of instruments and accurate mechanism: under lying principles 
U1  - 507.8 
PY  - 1954///
CY  - New York
PB  - Dover
KW  - Scientific apparatus and instruments
KW  - Measuring instruments
N1  - Includes bibliographical references and index
ER  -