TY  - BOOK
AU  - Hills,Elijah Justin
TI  - A course in the slide rule and logarithms
AV  - QA73 .H58 1950
U1  - 510.78 
PY  - 1950///]
CY  - Boston
PB  - Ginn
KW  - Slide-rule
KW  - Local
ER  -