'Mathematical Instruments and the Education of Gentlemen'. Pp. 51-88; 10 plates in: Annals of Science, Vol. 30, March 1973, No. 1.

First Edition. Entire issue offered. Original wrappers. Very Good. This volume also contains: CASTELLI, Benedetto, 'A Little Known Early Seventeenth Century Treatise on Vision: Bendetto Castelli's Discorso Sopra la Vista (1639, 1669). Translation and Critical Comments by Piero E. Ariotti' (Pp. 1-30; illus.; pp. 4-18 contain the English translation. 'Castelli's optical investigations were continued in a treatise sent to Giovanni Ciampoli in 1639 and published posthumously in 1669. Included are many observations and conclusions with respect to the persistence of optical images, by which Castelli explained the perception of motion, the illusion of forked tongues in serpents, and other phenomena. In the same treatise he recommended the use of diaphragms in telescopes to impede transverse rays, anticipating Hevelius. HIs discussions of the camera obscura, the inversion of images on the retina, and of cataract (from which Galileo had recently lost his sight), although less novel, are not without interest' (Stillman Drake in D.S.B. III: 116); ARIOTTI, 'Towards Absolute Time: The Undermining and Refutation of the Aristotelian Conception of Time in the Sixteenth and Seventeenth Centuries' (31-50); Dennis R. DEAN, 'James Hutton and his Public, 1785-1802' (89-106); H. M. BARKLA, 'Benjamin Robins and the Resistance of Air' (107-122).…