Title: Semi Circumferenter
Object type: Semi circumferenter
Date: ca. 1790
Culture: American
Artist:  John Potter 
Artist bio: 1746–1818
Artist nationality: American
Artist role: Maker
Medium: Brass, cherry, white pine
Dimensions: 3 x 10 5/8 x 7 in. (7.6 x 27 x 17.8 cm)
Credit line: Purchase, Anna Glen B. Vietor Gift, in memory of her husband, Alexander Orr Vietor, 1987
Geography: Made in Brookfield Massachusetts  United States New England     
Department: The American Wing
Repository: Metropolitan Museum of Art, New York, NY