Appendix

SURVIVING WOODEN SURVEYING COMPASSES

(Asterisk denotes information unavailable)

Collection Type of wood Length (in.) Width (in.) Height of bars (in.) Length of needle (in.) Maker and period
Preston R. Bassett Maple 9 5 3-1/4 * Unsigned (18th century)
Bucks County Historical Society Cherry 11 5-1/2 6-5/8 2-3/8 Thomas Greenough of Boston (1710-1785)
Bostonian Society Apple or walnut 13-7/8 * * 4-3/4 John Dupee of Boston (after 1761)
Dartmouth College Museum Walnut 7-3/4 * * * Thomas S. Bowles of Portsmouth, N.H. (c. 1765-1821)
* 12 8 * * Unsigned (18th century)
* 8-3/8 4-5/8 * * Unsigned (18th century)
L. C. Eichner (U.S. National Museum) Hickory 11 5-1/2 3 4 Thomas Greenough of Boston (1710-1785)
Farmer's Museum Oak 12-3/4 6-1/2 5 * Unsigned (18th century)
Franklin Institute Gum 13-3/4 5-3/4 4 5 Thomas Greenough of Boston (1710-1785)
Mariner's Museum * * * * * Charles Thacher (18th century)
Old Sturbridge Maple 13 4 * * Unsigned (18th century)
Maple 11-5/8 5-7/8 * * Thomas Greenough of Boston (1710-1785)
Walnut 18 8 * * Aaron Breed of Boston (1791-1861)
New Hampshire Historical Society Maple 11 5-3/4 2-1/2 4-5/8 Joseph Halsy of Boston (fl. 1697-1762)
N. Parker Walnut 13-1/2 4-7/8 5 * John Dupee of Boston (after 1761)
Peabody Museum * 11 * * 3 James Halsy II of Boston (1695-1767)
Worth Shampeny * * * * * Jedidiah Baldwin of Hanover, N.H. (c. 1777-1829)
South Natick Historical Society Apple or walnut 13-16 * * 4-7/8 John Dupee of Boston (after 1761)
Streeter Coll., Yale University Birch 13 6 * 4 Thomas S. Bowles of Portsmouth, N.H. (c.1765-1821)
Cherry 11-5/6 6 4 * Jere Clough of Boston (18th century)
Cherry 12 6 3-1/2 * Benjamin Warren of Plymouth, Mass. (fl. 1740-1790)
Roleigh L. Stubbs Cherry 7-1/2 3-3/4 3 * Unsigned
Silvio A. Bedini Walnut 12 5-3/8 5 4 Thomas S. Bowles of Portsmouth, N.H. (c. 1765-1821)
Pine 5-3/4 3-1/2 2-1/2 * Unsigned (18th century)
Mahogany * * * * Unsigned (18th century)
Basswood 12 5-3/4 2-3/4 4 Thomas Greenough of Boston (1710-1785)
Birch 18 7-1/2 7-1/2 6 Samuel Thaxter of Boston (1769-1842)
Mahogany 13 7-1/4 4-1/4 6 Samuel Thaxter of Boston (1769-1842)
Yellow birch 8-1/4 4 * 4-1/4 Benjamin K. Hagger of Boston and Baltimore (c. 1769-1834)
Cherry 14 5-1/2 6-3/8 4-3/4 Gurdon Huntington of Windham, Conn. and Walpole, N.H. (1763-1804)
Yale Gallery of Fine Art Mahogany 11-1/2 5 * * Andrew Newell of Boston (1749-c. 1798)

MATHEMATICAL PRACTITIONERS AND INSTRUMENT MAKERS

Alphabetical List