An original 19th-century plane trigonometry engraving wall art print. Circa 1st quarter 19th century. 

Marked plate III with geometric shapes related to trigonometry. The reverse of the sheet unmarked.

An original engraving related to science and mathematics wall art decor. 

Size: 8 x 7.25 inches

Condition: The paper with foxing, staining, creasing, and wear consistent with age, sold unframed