Beautiful Early-Mid 19th Century Handmade Double-sided Boxwood Scale Rule and Protractor speculaas springerle print Totally useable still for finding

Totally useable still for finding a plumb-line

to the birds atop trees to the waving girl

5 3/4" x 4 1/8"

and then there is this great little face

I found a stone carved figure in Maine clearly made by the same person as this one

Beautiful Early-Mid 19th Century Handmade Double-sided Boxwood Scale Rule and Protractor speculaas springerle print Totally useable still for findingIt would take someone much more knowledgable than I to explain all that it rolled into this early mid 19th century protractor rule, but I've looked at and held enough to know that it is a special one, and an early one, and really a beauty. With diagonal scales at either end of one side, and a dense array of scales on the reverse, with "Cho" (Chords), "Rum", and "Lon" (for Longitude I believe) marked at either end. I believe the various scales featured