'Dr Wallis his Accompt of the Experiment made at Gresham College' Experiments made at Gresham College about the weight of air with figures in text according to Archimedes' 'De insidentibus humido' 7 figures Page 187 - Figure 1, ink, vessel of water Page 188 - Figure 2, ink, vessel fo water Page 189 - Figure 3, ink, vesel fo water; Figure 4, ink, vesel fo water Page 190 - Figure 5, ink, vessel of water Page 192 - Figure 6, ink, vesel of water Page 194 - Figure 7, ink, vessel of water 13 August 1662