Double Sided 19th C. Mensuration Notebook Page with Watercolor Diagrams in Period Frame biblical On the back side of

On the back side of the rack is a small area of residue I'd guess from the surface of a wall

to the black painted details and string rein pulled taut on either side

New ones could certainly be added

even better grouped

Double Sided 19th C. Mensuration Notebook Page with Watercolor Diagrams in Period Frame biblical On the back side ofI just can't resist a pretty diagram, all the more so in watercolor on the page of an earlyish 19th century mensuration notebook, and even better in a terrific period frame holding two pieces of glass, so as to make the flip side with more diagrams visible on reverse. Lovely just to look at, but also nice to be reminded of how to calculate the area of a square, draw an angle from a quadrilateral, etc! Framed as found: 10 1 8" x 8 11 16 x 3 4. Paper: 6