TY  - BOOK
AU  - Jackson,George A.M.
TI  - Essentials of the metric system with full explantations of its theoretical principles, and numerous examples for practice: a handbook for technical schools, and self-insruction 
PY  - 1889///
CY  - Boston
PB  - De Wolfe, Fiske & Co.
KW  - Metric systems
ER  -