Numerical Trigonometry by J.W. Mercer
1931. Reprint. 157 pages. No dust jacket. Red cloth with lettering. Moderate tanning, with light foxing and marking to pages. Heavy tanning to text block edges. Moderate tanning and thumbing to free endpapers. Boards have moderate shelf wear, with rubbing and marking. Moderate bumping to corners and crushing to spine ends. Boards are slightly bowed and heavily tanned.