Plane Trigonometry by Aaron Freilich Et Al.
1941. No Edition Remarks. 293 pages. No dust jacket. Blue cloth. Black and white illustrated frontispiece. Binding remains firm. Pages have light tanning and foxing throughout. Previous owner's inscriptions to front pastedown and rear free endpapers. Boards have moderate shelf-wear with bumping to corners and rubbing to surfaces. Light tanning to spine and edges with crushing to spine ends. Red stain to top edge of rear board. Wear marks overall.