Sokkia Economy Field Book. Heavy paper cover; saddle stitched (stapled); 32 pages, 4 1/2 x 7 1/4, Grid style 'D'. 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. Left page: blue horizontal lines; red vertical lines. Right page: eight vertical and four horizontal lines per inch, red vertical center lines.

Starting At:	$4.09