'An Explication of the Experiment made in May, as a further confirmation of what was said in a Paper given in last March, to account for the appearance of the horizontal Moon seeming larger than when higher' by Dr Desaguliers For initial experiment see RBO/19/12 page 71 Details of experiment made with three ivory balls (figure in text) to show that 'the horizontal moon to be much further than it is' For engraved figure see p 73 Read to the Royal Society on 26 June 1735 1735