a Se ee ee ee RARE Boos DEPT. Tang, Villum, 1624-1682, praeses. a a Wilhelmi Langi Exercitationes mathematic&& vii. .653 De annua emendatione & motu apogei solis &c. Pub- -L54E lice ad disputandum proposité iv. kalend. Novem- bris, anno clo I» CLIII. horis & loco solitis. Respondente Jacobo Holstio. Hafnidt, typis Melchioris Martzan, Acad. typogr. [1653] 2p.f.,66 p. illus.(diagrs.) 19cm. (4to)