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be buried "in the parish church belonging to the place where I shall happen to inhabit a little time before my decease". He names seven relations to whom he left £20 each; but to his wife, Elizabeth Dunn, "who hath withdrawn herself from me near thirty years, the sum only of ten pounds". No children are mentioned. His library and instruments were sold at auction.
181:, 2nd edition, octavo, London, 1759. From the preface, it appears that in 1758 Dunn had become master of an academy "for boarding and qualifying young gentlemen in arts, sciences, and languages, and for business", at Chelsea. It was the Maritime Academy, at Ormond House, Paradise Row where there was a good observatory.
131:
In 1743, when the first great fire broke out and destroyed the west town, I had been some time keeping a school and teaching writing, accounts, navigation, and other mathematical science, although not above twenty years of age; then I moved to the schoolhouse at the foot of
Bowdown Hill, and taught
299:
He died in
January 1794. His will, dated 5 January 1794, was proved at London, on 20 January by his kinsman, William Dunn, officer of excise of London (registered in P.C.C., 16, Holman). Therein he describes himself as "teacher of the mathematics and master for the longitude at sea", and desires to
258:
A New
Epitome of Practical Navigation, or Guide to the Indian Seas, containing (1) the Elements of Mathematical Learning, used … in the Theory and Practice of Nautical affairs; (2) the Theory of Navigation. ..; (3) the Method of Correcting and Determining the Longitude at Sea …; (4) the Practice of
303:
He also requested the corporation of
Crediton to provide always and have a master of the school at the foot of Bowden Hill residing therein, of the church of England, but not in holy orders, an able teacher of writing, navigation, the lunar method of taking the longitude at sea, planning, drawing,
156:
whereby the circles of the sphere are instantaneously projected on the plane of the meridian for any latitude, and the problems of geography, astronomy, and navigation wrought with the same certainty and ease as by the globes themselves, without the help of scale and compasses, pen and ink.
304:
and surveying, with all mathematical science. For this purpose he left £30 a year. Six boys were to be taught, with a preference to his own descendants. The stock thus bequeathed produced in 1823 dividends amounting to £25 4/- per annum, the school being known by the name of Dunn's School.
251:
The
Navigators Guide to the Oriental or Indian Seas, or the Description and Use of a Variation Chart of the Magnetic Needle, designed for shewing the Longitude throughout the principal parts of the Atlantic, Ethiopic, and Southern
636:"XXXV. Some observations of the planet Venus, on the disk of' the Sun, June 6th, 1761; with a preceding account of the method taken for verifying the time of that phœnomenon; and certain reasons for an atmosphere about Venus".
323:
Improvements in the
Doctrine of the Sphere, Astronomy, Geography, Navigation, &c. Deduced from the Figure and Motion of the Earth; and Absolutely Necessary to be Applied in Finding the True Longitude at Sea and
233:, folio, London (second and third editions of which appeared in 1788 and 1789, respectively). About this time his reputation led to his being appointed mathematical examiner of the candidates for the
942:"IX. A determination of the exact moments of time when the planet Venus was at external and internal contact with the Sun's limb, in the transits of June 6th, 1761, and June 3d, 1769, by Samuel Dunn"
671:"LXXII. An attempt to assign the cause, why the sun and moon appear to the naked eye larger when they are near the horizon. With an account of several natural phœnomena, relative to this subject".
370:
An
Introduction to Latitude, without Meridian Altitudes; and Longitude, at Sea; having Contemporary Observations: with Astronomical Delineations and Nautical Formulas, engraved on copper plates
312:
Besides the seven works mentioned above and his many maps and charts, he also published the following (based on
Goodwin (1888), with corrections and additions from modern library catalogues):
231:
New Atlas of the
Mundane System, or of Geography and Cosmography, describing the Heavens and the Earth. … The whole elegantly engraved on sixty-two copper plates. With a general introduction
1161:
826:"XVIII. Remarks on the censure of mercator's chart, in a posthumous work of Mr. West, of Exeter: In a letter to Thomas Birch, D. D. Secretary to the Royal Society, from Mr. Samuel Dunn".
273:
A New
Directory for the East Indies … being a work originally begun upon the plan of the Oriental Neptune, augmented and improved by Mr. Willm. Herbert, Mr. Willm. Nichelson, and others
340:
An Introduction to the Theory and Use of the Pantographer; As Made and Improved by Thomas Newman, (Successor to Mess. Heath and Wing,) Mathematical Instrument Maker in Exeter Change
286:
144:
Dunn moved to London in December 1751, where he taught in different schools, and gave private lessons. In 1757, he came before the public as the inventor of the "universal
190:
1220:
161:
346:
A New Atlas of Variations of the Magnetic Needle for the Atlantic, Ethiopic, Southern and Indian Oceans; drawn from a theory of the magnetic system
460:
Linear Tables, one, two, three, four, and five, abridged, &c. (Linear Tables viii. ix. of Proper Logarithms. Linear Tables x. xi.) 3 plates
514:
The Astronomy of Fixed Stars, concisely deduced from original principles, and prepared for application to Geography and Navigation, Part I.
747:"CIV. An account of the eclipse of the Sun, October 16, 1762, in a letter from Mr. Samuel Dunn, to Mr. James Short, M. A. And F. R. S"
526:
The Longitude Logarithms; in their Regular and Shortest Order, made easy for use in taking the Latitude and Longitude, at Sea and Land
496:
The Daily Uses of Nautical Sciences in a Ship at Sea, particularly in finding and keeping the Latitude and Longitude during a voyage
330:
A Determination of the exact Moments of Time when the Planet Venus was at external and internal contact with the Sun's Limb, in the
1170:
577:
862:"XLIX. An account of a remarkable meteor: In a letter to the Reverend Thomas Birch, D. D. Secret. Of R. S. From Mr. Samuel Dunn"
352:
The Description and Use of a New and Easy Formula, for determining the time of the day, the azimuth of the sun, and the latitude
199:
454:
A Description of peculiar Charts and Tables for facilitating a Discovery of both the Latitude and Longitude in a Ship at Sea
213:
Dunn married Elizabeth Harrison in 1763. Towards the close of 1763, he gave up the school at Chelsea, and fixing himself at
1225:
240:
Under the company's auspices he was enabled to publish in a handsome form several of his more important works. Such were:
127:, Devonshire, and baptised there on 7 February 1723. His father died at Crediton in 1744. Samuel Dunn wrote in his will:
136:
The schoolhouse was the place where the "English school" was kept previously to its union with the blue school in 1821.
290:
World map by Samuel Dunn, 1794, with star charts, map of the Moon, map of the Solar System and numerous other features.
1083:
520:
Improvements in the Methods now in use for taking the Longitude of a Ship at Sea. Invented and described by S. Dunn
221:, resumed once more his private teaching. In 1764 he made a short tour through France. In 1774, when residing at 6
408:, s. sh. quarto, London, 1784. Engraved. (Another edition, s. sh. quarto, London, 22 September 1784. Engraved.).
207:
170:
184:
On 1 January 1760, he made the observation of a remarkable comet. Other discoveries he communicated to the
275:, fifth edition, London, 1780, with a sixth edition following in 1791. Dunn was living at 8 Maiden Lane,
1230:
1215:
245:
A New and General Introduction to Practical Astronomy, with its application to Geography … Topography
963:
923:
883:
843:
808:
768:
728:
688:
653:
234:
226:
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474:
d in Calculation & Improv'd. (Short Rules for practical navigation.)' octavo, London, 1788.
953:
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582:
331:
222:
214:
430:
Tables of Correct and Concise Logarithms … with a compendious Introduction to Logarithmetic
1187:
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1209:
1155:
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927:
887:
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812:
787:"IX. An account of an appulse of the Moon to the planet Jupiter, observed at Chelsea"
772:
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279:, in July 1777, but by September 1780 had taken up his abode at 1 Boar's Head Court,
276:
185:
149:
107:
280:
203:
594:
364:
Nautical Propositions and Institutes; or Directions for the Practice of Navigation
271:
He also "methodised, corrected, and further enlarged" a goodly quarto, entitled
145:
586:
218:
902:"XX. Observations on the eclipse of the sun, April 1, 1764, at Brompton-Park"
502:
An Introduction to the Lunar Method of Finding the Longitude in a Ship at Sea
958:
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124:
194:, of which body, however, he was not a fellow. On the title-page of his
267:, octavo, London, 1778; second edition, enlarged, quarto, London, 1786.
394:
Formulas for all parts of Navigation, having the Tables of Logarithms
265:
The Theory and Practice of the Longitude at Sea … with copper plates
1154: This article incorporates text from a publication now in the
285:
160:
1174:. Vol. 16. London: Smith, Elder & Co. pp. 211–213.
468:
s Declination. (Errata in the reductions.)' folio, London, 1788.
202:
at Philadelphia, America. A few of his letters to the historian
610:, p. 210 cites: Faulkner, '"Chelsea"', ed. 1829, ii. 211.
188:; between 1761 and 1771, Dunn contributed nine papers to the
358:
A New and Easy Method of finding the Latitude on Sea or Land
148:, or terrestrial and celestial globes in plano", four large
1081:
Auction catalogue of Samuel Dunn's library and instruments
317:
A Popular Lecture on the Astronomy and Philosophy of Comets
1039:
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946:
Philosophical Transactions of the Royal Society of London
906:
Philosophical Transactions of the Royal Society of London
866:
Philosophical Transactions of the Royal Society of London
828:
Philosophical Transactions of the Royal Society of London
791:
Philosophical Transactions of the Royal Society of London
751:
Philosophical Transactions of the Royal Society of London
711:
Philosophical Transactions of the Royal Society of London
673:
Philosophical Transactions of the Royal Society of London
638:
Philosophical Transactions of the Royal Society of London
558:
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448:
Tables of Time and Degrees, and hourly change of the Sun
376:
The Linear Tables described, and their utility verified
259:
Navigation in all kinds of Sailing (with copper plates)
484:
The Longitude Journal; its description and application
152:
maps, with a transparent index placed over each map,
436:
Precepts, Formulas, Tables, Charts, and Improvements
283:, where he continued for the remainder of his life.
93:
70:
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23:
581:(online ed.). Oxford University Press. 2004.
132:there till Christmas 1751, when I came to London.
165:The Earth's Eastern Planisphere - part of Dunn's
450:s right Ascension', s. sh. quarto, London, 1786.
110:, teacher, cartographer and amateur astronomer.
575:"The Oxford Dictionary of National Biography".
191:Philosophical Transactions of the Royal Society
154:
129:
707:"XCIV. Certain reasons for a lunar atmosphere"
490:The Sea-Journal improved, with its description
8:
1119:, volume vi. (Devonshire) part ii. page 150.
478:A Navigation Table for shortening days works
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420:, s. sh. quarto, London, 1784. Engraved.
402:, s. sh. quarto, London, 1784. Engraved.
400:General Magnetic and True Journal at Sea
396:, s. sh. quarto, London, 1784. Engraved.
390:, s. sh. quarto, London, 1784. Engraved.
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578:Oxford Dictionary of National Biography
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414:, s. sh. folio, London, 1784. Engraved.
206:are preserved, and one to the botanist
123:He was born to John and Alice Dunn in
466:Linear Table xvi. for showing the Sun
7:
1115:, 28 June 1823, pages 78–9; Lysons,
532:.; Watt, '"Bibl. Brit"'. i. 324 f.).
424:A Table for Transverses and Currents
1221:18th-century English mathematicians
508:A New Directory for the East Indies
1090:. Leigh and Sotheby. 10 April 1794
1084:"Samuel Dunn, mathematician, 1794"
14:
412:Rules for a Ship's Journal at Sea
177:He published an account of their
97:Elizabeth Harrison (married 1763)
1186:Heard, Nick (30 December 2016).
1171:Dictionary of National Biography
1149:
504:, &c., octavo, London, 1790.
406:Magnetic and true Journal at Sea
492:, &c., folio, London, 1789.
16:Innovative British cartographer
426:, s. sh. quarto, London, 1784.
334:of 6 June 1761 and 3 June 1769
198:he appears as a member of the
1:
1192:The Heard Family of Mid-Devon
999:, p. 211 notes it is in
983:, p. 211 notes it is in
480:, s. sh. folio, London, 1788.
229:, he published his excellent
595:UK public library membership
510:, 6th edition, London, 1791.
261:, octavo, London, 1777, and
1247:
388:A new Formula for Latitude
169:, 1757. Collection of the
106:(1723–1794) was a British
1160:Goodwin, Gordon (1888). "
1088:History of Science Museum
140:Life and career in London
528:, octavo, London, 1793 (
472:The Lunar Method Shorten
254:, octavo, London (1775).
1188:"Samuel Dunn 1723-1794"
1001:Addit. manuscript 28536
522:, octavo, London, 1793.
516:, quarto, London, 1792.
498:, octavo, London, 1790.
444:, octavo, London, 1785.
432:, octavo, London, 1784.
378:, octavo, London, 1783.
372:, octavo, London, 1782.
366:, octavo, London, 1781.
360:, octavo, London, 1778.
336:, quarto, London, 1770.
326:, quarto, London, 1765.
319:, octavo, London, 1759.
247:, octavo, London, 1774.
208:Emanuel Mendes da Costa
171:Royal Museums Greenwich
1015:, p. 210 cites:
985:Addit. manuscript 4305
959:10.1098/rstl.1770.0009
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724:10.1098/rstl.1761.0096
685:10.1098/rstl.1761.0074
650:10.1098/rstl.1761.0036
486:, folio, London, 1789.
462:, folio, London, 1788.
456:, folio, London, 1787.
384:, folio, London, 1783.
382:Lunar Tables, Nos. 1–5
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1162:Dunn, Samuel (d.1794)
1111:, p. 211 cites:
1057:"Will of Samuel Dunn"
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587:10.1093/ref:odnb/8281
418:Ship's Journal at Sea
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200:Philosophical Society
167:Universal Planisphere
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1226:People from Crediton
179:Description and Use
1031:, p. 210-211.
987:, following 85–90.
530:British Museum Cat
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1063:. 20 January 1794
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281:Fleet Street
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237:'s service.
230:
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204:Thomas Birch
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146:planispheres
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83:cartographer
55:Burial place
18:
1231:1723 births
1216:1794 deaths
1144:Attribution
104:Samuel Dunn
71:Occupations
63:Nationality
25:Samuel Dunn
1210:Categories
1139:References
626:. iii. 65.
597:required.)
227:Temple Bar
219:Kensington
119:Early life
86:astronomer
1019:, f. 241.
1003:, f. 241.
968:186210827
928:186214985
888:186210146
848:186208456
813:186209150
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733:186211644
693:186213015
658:186215035
537:Citations
114:Biography
1197:27 March
1094:27 March
1067:27 March
624:Ann. Reg
332:Transits
125:Crediton
37:Crediton
1168:(ed.).
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225:, near
217:, near
80:teacher
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1061:GENUKI
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964:S2CID
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884:S2CID
844:S2CID
809:S2CID
769:S2CID
729:S2CID
689:S2CID
654:S2CID
196:Atlas
1199:2021
1096:2021
1069:2021
324:Land
46:1794
43:Died
34:1723
31:Born
954:doi
914:doi
874:doi
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