The fourth unit of the manuscript relates to astronomy and contains: Jean de Lignières [Jean de Picard], Canones (ff. 85r-93r); Jacob ben Machir ibn-Tibbon (Profatius Judaeus), Novus quadrans seu Practica novi Quadrantis (ff. 94r-97r); Notes relating to astronomy and the quadrant (ff. 98r-98...
Jean de Lignières [Jean de Picard], Canones; Canons for the use of the astronomical tables (an adaptation of the Alfonsine tables) drawn up by Jean de Lignières (Johannes de Lineriis) in Paris in 1321. Includes a note (f. 89r) referring to the works of John Holdrak, corrected in Holbrok in the ...
Jacob ben Machir ibn-Tibbon (Profatius Judaeus), Novus quadrans seu Practica novi Quadrantis
Scope & Content:
Jacob ben Machir ibn-Tibbon (Profatius Judaeus), Novus quadrans seu Practica novi Quadrantis; composed in 1288, corrected in 1301. The Latin version of a treatise on the canons of a new quadrant by Jacob ben Machir ibn-Tibbon (1236-1305), a Jewish scholar and astronomer of Marseilles and Montpel...