Gregory family: papers of David Gregory (1659 - 1708): Notes and lectures on Practical Geometry and Natural Philosophy by David Gregory (1659 - 1708) Volume entitled Geometria Practica, containing transcripts (1740) of David Gregory's Edinburgh lectures, 1683 - 1690, and notes on surveying and geometry, 1738 and undated: 'Concerning the art of surveying land’, ‘Some examples in plain trigonometry’; ‘Practical geometry’, 'Survey of the Sands of Leith made in April 1738 by Mr McLaurine' [Colin Mclaurin, Professor of Mathematics, University of Edinburgh]. The volume also contains 'Hydrostatica a Domino Jacobo Gregory in Academia Edinburgi Matheseos Professore dictata Transcripta AD MDCCXL' (Hydrostatics by James Gregory, Professor of Mathematics in the University of Edinburgh, dictated and transcribed 1740), 'Hydrostaticae Tractatus a Domino Roberto Stewart in Academia Edinensi Philosophae Naturalis Professore Scriptus AD MDCCXL' ( A tract on Hydrostatics by Robert Stewart, Professor of Natural Philosophy, University of Edinburgh, 1740) and a series of pages of hydrostatical experiments. 1740