Sokkia® Transit Field Book, 4-1/2"W x 7-1/4"L

Transit Field Book is a Notebook and Reference Book in One

High visibility yellow hard cover Engineer's Field Books have 80 pages. These Books have formulas for solving right angles and curves and tables for minutes in decimals of a degree; inches in decimals of a foot.
Transit Field Book—Left page: Blue horizontal lines; red vertical lines. Right page: Eight vertical and four horizontal lines, red vertical center lines. 4-1/2"W x 7-1/4"L.