Tables of specific gravities extracted from various authors with notes to which is prefix'd a critic on the authors of these experiments, by Richard Davies The contents are arranged as: pp.1-2 presentation note, Richard Davies to Martin Folkes p.3 contents of the tables pp.5-10a critic on the authors of these experiments p.11 desiderata pp.12-28 the specific gravities of bodies disposed in tables, according to their species p-.31-55 notes on the foregoing tables. Inscribed "Presented by the author, 30 April 1747". 1747