Demonstrations of methods of astronomical calculation by George Councer, second half of the 18th century
Demonstrations of methods of astronomical calculation by George Councer, using the following calculations as examples:
- (fols. 1-10) the time of the new moon in 1748;
- (fols. 10-163) an eclipse of the sun in 1748;
- (fols. 166-201) the transit of Venus over the sun in May 1761;
- (fols. 202-284) the transit of Venus over the sun in 1769;
- (fols. 302v-324) tables, for proportioning the difference of equation at sight, and for turning minutes and seconds into seconds, and seconds into minutes and seconds, at sight.
- Creation: second half of the 18th century
Language of Materials
MS. Rigaud 87
Other Finding Aids
M. Clapinson and T.D. Rogers, Summary Catalogue of Post-Medieval Western Manuscripts in the Bodleian Library Oxford. Acquisitions 1916-1975. (Oxford, 1991), vol. II, no. 52049.
Half vellum binding