A New Method of Constructing Sun-Dials, for Any Given Latitude, without the Assistance of Dialing Scales or Logarithmic Calculations. By James Ferguson, F. R. S.

Autor:	Ferguson, James
Zdroj:	Philosophical Transactions (1683-1775), 1767 Jan 01. 57, 389-393.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/105962 Zobrazit plný text záznamu