TY  - BOOK
AU  - Leach, H. W.
AU  - Beakley, George C.
TI  - THE SLIDE RULE AND ITS USE IN PROBLEM SOLVING
U1  - 510.7823 
PY  - 1969///
CY  - New York
PB  - Macmillan
KW  - Slide-Rule
N1  - Author'S Names In Reverse Order In 1963 Ed. Which Was Published Under Title : The Slide Rule And Teachnical Problem Solving
ER  -