Engineers Field Book - 815230
This Engineers Field Book contains 80 sheets (160 pages) of rain resistant paper. It features a hardcover. The left page contains blue horizontal lines and red vertical lines and the right page contains 10X10 blue lines and a red vertical center line. The red vertical lines and blue horizontal lines are waterproof. This engineers field book also contains an appendix with 11 tables of conversions, trigonometric functions, and formulas for solving right angles and curves.
Dimensions: 4-1/2 x 7-1/4 in