Trigonometry Simplified For Seamen and Others by John Macnab
1914. 5th Edition. 63 pages. No dust jacket. Blue cloth with gilt lettering. Inscription to front pastedown. Pages are moderately tanned and thumbed at the edges, with creased corners and foxing. Light marginalia to a few pages. Boards have been moderately rub worn. Noticeable shelf wear to corners, spine and edges. Corners are bumped and a little frayed Spine ends are crushed, with noticeable splits and chips. Moderate boards to boardse. Tanning to spine and edges. Boards are bowed. Book has a forward lean. Water marks to boards and spine.