Work on Mars and other planets; notes about a clock (341v), micrometer trials (342v-346r), optics (348r, 349r) and a barometer (351r); work on lunar and solar parallax (352v-359r, 360v-364r); a brief Latin treatise by Flamsteed, 'De motu Solis et numeris corrigendis' ('On the Sun's motion and numbers to be corrected') (363v); work on lunar problems (366v-370v); and a copy of an extract of a letter to Edmond Halley about refractions and the height of the atmosphere, 1675 (369v-370r). The volume is marked '97'. |
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