Note 35 — Instruments of Metal
Reading edition
Massachusetts Magazine (1789), vol. 1, pp. 36, 37; Boston Gazette, January 12, 1789; I. Bernard Cohen, Some Early Tools of American Science, (Cambridge: Harvard University Press, 1950), pp. 6465, 157; Harrold E. Gillingham, "The First Orreries In America," Journal of the Franklin Institute (1940), vol. 229, pp. 92-97.