Both pages have 10 x 10 blue lines with inch lines slightly heavier. Appendix of 11 tables of conversions, trigonometric functions, and formulae for solving right angles and curves. Hardback cover, 80 leaves, 160 pages, page size 6 1/2” x 8 1/2”.
Elan Weather-resistant Field Books feature:
• High Visibility Waterproof Covers
• Constructed to withstand the
most rugged handling under all
• High quality water-resistant
50% cotton-content ledger
• Waterproof blue and red inks