Early American Scientific Instruments and Their Makers

by Silvio A. Bedini

[77] John Pierpont, "Whittling, A Yankee Portrait."

[78] Abel Flint, System of Geometry and Trigonometry together with a Treatise of Surveying (Hartford: Olive D. Cooke, 1804), p. 86.

[79] "Report of the Committee on the Rooms," Proceedings of the Bostonian Society (1917), no. 1, p. 16.

[80] Savage, op. cit. (footnote 2), vol. 2, p. 341.

[81] "James Halsy," in Thwing Catalogue, Massachusetts Historical Society.

[82] Savage, op. cit. (footnote 2), vol. 2, p. 341.

[83] Ibid.

[84] "Joseph Halsy," in Thwing Catalogue, Massachusetts Historical Society.

[85] Boston Gazette, September 18-25, October 2-9, and October 16-23, 1738.

[86] Description courtesy of Mr. Philip N. Guyol, director, New Hampshire Historical Society.