Earth, Figure of the (in part); Geodesy (in part); Map, Projections (in part).
Agnes Mary Clerke, Author of History of Astronomy in the 19th Century; The System of the Stars; Problems in Astrophysics; and many other astronomical books. See the biographical article (Vol. 6, p. 497):
Astronomy, History: Zodiac; Brahe, Tycho; Copernicus; Flamsteed; Halley; Huygens; Kepler, etc.
Lt. Col. C. F. Close, head of the Geographical Section, British General Staff, formerly British Representative on the Nyasa-Tanganyika Boundary Commission. Author of Text-Book of Topographical Surveying, etc.:
Maps, Projections (in part).
W. E. Dalby, Professor of Civil and Mechanical Engineering at the City and Guilds of London Institute, Central Technical College, South Kensington. Author of The Balancing of Engines, etc.:
Mechanics, Applied (in part); and several engineering subjects.
Sir George H. Darwin, late Fellow of Trinity College, Cambridge, and Plumian Professor of Astronomy and Experimental Philosophy in the University. President of the British Association, 1905. Author of The Tides and Kindred Phenomena in the Solar System, etc.:
Tide.
F. Y. Edgeworth, Professor of Political Economy in the University of Oxford, etc. Author of Mathematical Psychics, and numerous papers on the Calculus of Probabilities in the Philosophical Magazine, etc.: