"Rule number one is single-face type, rule number two is double-face type; wooden body; with cursor made of plastic; scale data includes scales graduated in mils from 1 to 5 mil, 1 to 25 mil, 2 to 10 mil, 2.2 to 10 mil, and so on up to 900 to 1160 mil. Additionally, scales are also graduated in seconds ranging from 4 to 20 seconds, 5 to 24.2 seconds, and other ranges. Furthermore, scales are also graduated in yards ranging from 1 to 4 YDS, 1 to 11 YDS, 2 to 11 YDS, and various other ranges up to 6000 to 11000 YDS."