References
- Skelton , R. A. 1962 . ‘The origins of the Ordnance Survey of Great Britain’ . Geographical Journal , 128 : 415 – 30 . Part 4
- Skelton , R. A. 1967 . The military survey of Scotland Edinburgh The Royal Scottish Geographical Society, Special Publication No. 1.
- There were marked stylistic similarities, for example, between the Roy map of Scotland and some of the British mapping undertaken in the St. Lawrence valley in the early 1760s: we owe this point to Douglas W. Marshall of the William L. Clements Library, University of Michigan, Ann Arbor.
- Harley , J. B. and O'Donoghue , Yolande , eds. The Old Series Ordnance Survey Maps of England and Wales . . . Reproduction of the 110 Sheets of the Survey in Early Stale 10 Volumes , Volume 1 Kent, Essex, E. Sussex and S. Suffolk (Harry Margary, Lympne Castle, Kent, 1975), xi‐xv.
- J. B. Harley and Yolande O'Donoghue, xix‐xxiv; R. A. Skelton (1962), 420–21.
- Dictionary of National Biography Vol. XVII , 373
- 1915 . List of catalogues of English book sales 1676–1900 now in the British Museum; introduction by A. W. Pollard , London : British Museum .
- Skelton , R. A. 1972 . Maps: A historical survey of their study and collecting 26 – 61 . Chicago especially chapter 2, ‘The Preservation and Collecting of Early Maps’,
- Harley , J. B. 1976 . ‘The map user in eighteenth‐century North America; some preliminary observations’ . The settlement of Canada: Origins and transfer. Proceedings of the 1975 British‐Canadian Symposium on Historical Geography . 1976 , Kingston, Ontario. Edited by: Osborne , Brian S. pp. 47 – 69 .
- A list of known map sales is being compiled by the authors.
- Colbourn , H. Trevor . 1965 . The Lamp of Experience : Whig History and the Intellectual Origins of the American Revolution , vii Chapel Hill : The University of North Carolina Press .
- For example little of Roy's correspondence with his obviously wide circle of scientific and antiquarian correspondents is extant.
- MacDonald , G. 1917 . ‘General William Roy and his military Antiquities of the Romans in North Britain’ . Archaeologia , XVIII : 161 – 228 .
- Rodger , E. M. 1972 . The large scale county maps of the British Isles 1596–1850), A union list , Oxford : Bodleian Library .
- Fortescue , J. 1927 . The correspondence of King George the Third from 1760 to December 1783 Vol. 1 , 329 – 30 . London
- Walters , G. 1976 . ‘Thomas Pennant's Map of Scotland 1777: a study in sources and an introduction to George Paton's role in the history of Scottish cartography’ . Imago Mundi , 28 : 121 – 28 .
- In this context, William Mudge, the second director of the newly established Ordnance Survey, wrote in 1799 that one of its principal objects was ‘to collect materials for making a General Map of England, in some respects similar to the Carte de France’: PRO WO 47/2372, 10–4‐1799.
- As listed in PRO WO 55/2281.
- Richeson , A. W. 1966 . English land measuring to 1800: Instruments and practices Cambridge, Massachusetts
- Taylor , E. G. R. 1966 . The mathematical practitioners of Hanovarian England 1714–1840 Cambridge
- E. G. R. Taylor, 114: 199–200.
- E. G. R. Taylor, 143–4; 218.
- E. G.R. Taylor, 190.
- E. G. R. Taylor, 57 ; 155–6.
- Items in two lots—94 (p. 9 of the catalogue) and 155 (p. 13) were respectively ‘Maskelyne's Remarks on Hadley's Quadrant’ and ‘Direction for the Use of Hadley's Quadrant, 1771’.
- E.G. R. Taylor, 216; 279.
- E. G.R. Taylor, 226–7, but without citing the source.
- 1796 . Hutton's Mathematical and philosophical dictionary , 1 : 237 – 9 . In the early nineteenth century Thomas Hornor, surveyor and landscape artist, used a camera obscura in his Welsh travels. It is illustrated being used by a group of people in the view ‘Vale of Neath from the top of Bon Main’ in Homer's water‐colour album Illustrations of the Vale of Neath (1817), Phillipps MS. 22990, National Library of Wales. We are grateful to Ralph Hyde for pointing this out. See
- Hyde , Ralph . 1977 . Thomas Homer: Pictural land surveyor . Imago Mundi , 29 : 26 – 27 .
- Dickinson , H. W. 1951–1952 . ‘A Brief History of Draughtsmen's Instruments’ . Transactions vf the Newcomen Society . . . , : 73 – 84 . the list can also be compared with the almost contemporary range of drafting instruments advertised in
- Adams , G. , ed. 1791 . “ ‘A Catalogue of Mathematical and Philosophical Instruments, made and sold by George Adams’ ” . In Geometrical and graphical essays 486 – 7 . London the volume contains an illustration of a circumferentor stated to be of the type used by Roy.
- Roy , William . 1777 . ‘Experiments and Observations made in Britain, in order to obtain a Rule for measuring Heights with the Barometer’ . Philosophical Transactions , 67 : 653 – 788 .
- Close , C. 1969 . The early years of the Ordnance Survey Edited by: Harley , J. B. 6 – 10 . Newton Abbot
- C. Close, 7.
- Printed on p. 14 of the catalogue (lot 171) as ‘Locke's’, presumably in error.
- Dictionary of National Biography Vol. XIII , 1174
- C. Vallancey, ‘An esssay on military‐surveys accompanied with military itineraries’ (1779) MS. British Library, Map Library 6. Tab. 64. At the end Vallancey quoted the authorities he had consulted.
- Maps xv and xx have claims to being the most richly engraved maps of the eighteenth century.
- Roy , William . 1790 . ‘An Account of the Trigonometrical Operation, whereby the Distance between the Meridians of the Royal Observatories of Greenwich and Paris has been determined’ . Philosophical Transactions , LXXX : 111 – 270 . Notably the drawing of Ramsden's ‘Great Theodolite’ which first appeared in
- Harley , J. B. 1965 . ‘The re‐mapping of England, 1750–1800’ . Imago Mundi , 19 : 67 Faden, for example, bought the copper plates of a number of the newer 1 inch to 1 mile county maps at Christie's auctions: some of the evidence is cited in
- G. MacDonald, 208.