195:
619:
704:
297:, England, in 1873. He then, with a grant from the Royal Society, worked on analysing magnetic observations made at colonial stations. He also published reports on the Makerstoun and Trivandrum observatories. He was awarded the Keith Medal of the Royal Society of Edinburgh and the
33:
771:
269:, the highest peak in Travancore, and helped to found the museum and zoological gardens. He had a bifilar magnetometer setup on Agastyamalai between 1855 and 1858. This museum was later demolished and replaced by what is now called
182:. Broun suffered heart palpitations, possibly due to extended overnight study. He then hired John Welsh as an assistant. In 1850 he moved to Paris, also marrying Isaline Vallouy, daughter of a priest from Canton du Vaud. Colonel
620:"XXIV.βOn the Lunar Diurnal Variation of Magnetic Declination at Trevandrum, near the Magnetic Equator, deduced from Observations made in the Observatory of His Highness the Maharajah of Travancore, G.C.S.I."
254:. Broun was sent to study geomagnetism at a period when the British Academy was interested in studying it on a global scale. Trivandrum was close to where the magnetic equator lay at the time of Broun.
178:, in Scotland and when a director was sought, Forbes recommended Broun who worked there from 1842 to 1849. The observations Broun made at Makerstoun were published in the
261:. Broun's assistants in Kerala included J. Kochukunju (Cochoocoonjoo) and E. Kochiravi (Cocheravey) Pillai. Broun, while still in India, was elected a Fellow of the
277:. Trivandrum. Broun suffered from deafness and sickness in India forcing a return to Europe in 1860 and then returned to India to work for three years.
852:
179:
882:
146:. He continued his studies on geo-magnetism in India and was involved in setting up observatories there apart from managing the
802:
154:
loses or gains magnetic intensity not locally, but as a whole. He also found that solar activity causes magnetic disturbances.
857:
162:
Broun was born in
Dumfries where his father ran a school training students intending to join the navy. Broun was educated at
123:
382:
777:
862:
754:
847:
383:"Travancore's magnetic crusade: geomagnetism and the geography of scientific production in a princely state"
877:
872:
797:
257:
Broun observed large scale pressure changes across India between Shimla and Madras and cyclic variation in
98:
666:"V. On the influence of height in the atmosphere on the diurnal variation of the earth's magnetic force"
246:, and is one of the oldest of its kind in India. The rulers of Tranvacore during the time of Broun were
235:
793:
774:
in the Royal
Society's Library and Archive catalogue's details of Fellows (accessed 22 April 2008)
665:
429:
203:
819:
814:, with three reports by Broun on the museum, the zoological park and the gardens at Trivandrum
768:, rev. Anita McConnell, Oxford Dictionary of National Biography, Oxford University Press, 2004
867:
806:
218:. Trivandrum is today known as Thiruvananthapuram, and is the capital of the Indian State of
842:
837:
781:
576:
334:
258:
243:
163:
135:
8:
565:"The solar and lunar daily geomagnetic variation of declination at Trevandrum, 1853?1869"
227:
183:
580:
338:
732:
685:
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545:
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457:
360:
167:
736:
724:
689:
650:
638:
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537:
488:
461:
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410:
402:
352:
301:
of the Royal
Society in 1878 for over 35 years of work on magnetism and meteorology.
247:
364:
811:
716:
677:
630:
584:
527:
441:
394:
342:
251:
126:(21 September 1817 β 22 November 1879) was a Scottish scientist with interests in
761:
171:
274:
239:
223:
720:
709:
Earth and
Environmental Science Transactions of the Royal Society of Edinburgh
634:
623:
Earth and
Environmental Science Transactions of the Royal Society of Edinburgh
564:
398:
831:
765:
728:
642:
596:
541:
492:
453:
406:
356:
270:
262:
231:
147:
88:
681:
532:
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445:
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298:
238:, the Maharajah of Tranvacore. The first director of the observatory was
131:
109:
102:
588:
211:
207:
175:
150:
in
Trivandrum. One of the fundamental discoveries he made was that the
143:
139:
500:
476:
347:
322:
290:
127:
286:
142:
from 1842 to 1849 before moving to India to work in the
Kingdom of
57:
53:
516:"X. Note on the lunar-diurnal variation of magnetic declination"
823:. New Delhi: National Archives of India. 1879. PR_000003043762.
294:
219:
194:
170:. In 1842, there was an interest in magnetic observations and
215:
151:
820:"Proposed Institution of Actinometric Observations in India"
817:
32:
430:"IV. On simultaneous variations of the barometer in India"
705:"XXIII.βOn the Horizontal Force of the Earth's Magnetism"
477:"On the Annual Variation of the Magnetic Declination"
273:. The original zoological gardens still survive as
265:of London in 1853. He also built an observatory on
818:
780:, including the University Observatory, from the
285:Broun left India for good around 1865, living in
829:
563:Chapman, Sydney; Gupta, Jagdish Chandra (1971).
242:(1800-1849). The observatory is now part of the
387:The British Journal for the History of Science
234:. The observatory had been founded in 1836 by
180:Transactions of the Royal Society of Edinburgh
186:recommended Broun for work in India in 1851.
562:
670:Proceedings of the Royal Society of London
520:Proceedings of the Royal Society of London
481:Proceedings of the Royal Society of London
434:Proceedings of the Royal Society of London
198:Memorial tablet for Broun's daughter Aline
174:established an observatory at his home in
31:
531:
346:
380:
193:
320:
830:
853:Alumni of the University of Edinburgh
702:
663:
617:
513:
474:
427:
222:, but then it was the capital of the
703:Broun, John Allan (1 January 1861).
376:
374:
321:Stewart, Balfour (1 December 1879).
316:
314:
13:
14:
894:
787:
371:
311:
202:From 1852, Broun was director of
138:and worked at the observatory in
130:, particularly of the earth, and
883:19th-century Scottish scientists
755:Dictionary of National Biography
514:Broun, J.A. (31 December 1868).
226:of Travancore, a territory in a
189:
794:Manuscripts of John Allan Broun
280:
250:(until 1860) and his successor
753:Entry for John Allan Broun in
696:
657:
611:
556:
507:
468:
421:
293:, Germany, before arriving in
157:
1:
766:Broun, John Allan (1817β1879)
304:
858:Fellows of the Royal Society
812:History of Trivandrum Museum
798:National Library of Scotland
7:
569:Pure and Applied Geophysics
166:where he was influenced by
10:
899:
747:
664:Broun, John Allan (1877).
381:Ratcliff, Jessica (2016).
236:Swathi Thirunal Rama Varma
778:History of the University
721:10.1017/S0080456800031409
635:10.1017/S0080456800025606
399:10.1017/S0007087416000340
172:Thomas McDougall Brisbane
94:
84:
76:
64:
39:
30:
23:
289:, Switzerland, and then
863:Scottish meteorologists
803:John Allan Broun entry
682:10.1098/rspl.1876.0089
533:10.1098/rspl.1867.0013
446:10.1098/rspl.1876.0010
204:Trivandrum Observatory
199:
618:Broun, J. A. (1872).
475:Broun, J. A. (1873).
197:
848:People from Dumfries
782:University of Kerala
676:(171β178): 566β569.
428:Broun, J.A. (1877).
259:magnetic declination
244:University of Kerala
164:Edinburgh University
136:Edinburgh University
878:Scottish physicists
873:Royal Medal winners
581:1971PApGe..87...93C
339:1879Natur..21..112S
228:subsidiary alliance
184:William Henry Sykes
134:. Broun studied in
589:10.1007/BF00878911
440:(171β178): 24β39.
323:"John Allan Broun"
200:
16:Scottish scientist
807:National Archives
248:Uthradom Thirunal
118:
117:
50:21 September 1817
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348:10.1038/021112b0
333:(527): 112β114.
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252:Ayilyam Thirunal
121:John Allan Broun
114:
107:
71:
68:22 November 1879
49:
47:
35:
25:John Allan Broun
21:
20:
898:
897:
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828:
827:
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772:Entry for Broun
762:Anita McConnell
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168:James D. Forbes
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788:External links
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785:
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775:
769:
760:A. M. Clerke,
758:
749:
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742:
715:(3): 511β565.
695:
656:
629:(4): 735β757.
610:
555:
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467:
420:
393:(3): 325β352.
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275:Trivandrum Zoo
240:John Caldecott
224:princely state
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85:Known for
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72:(aged 62)
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575:(1): 93β101.
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232:British India
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190:Work in India
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148:Napier Museum
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89:meteorologist
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59:
55:
42:
38:
34:
29:
22:
19:
868:Magneticians
805:at the UK's
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281:Later career
267:Agastya Mala
256:
201:
161:
120:
119:
70:(1879-11-22)
18:
843:1879 deaths
838:1817 births
796:, from the
487:: 254β258.
299:Royal Medal
158:Early years
132:meteorology
110:Keith Medal
103:Royal Medal
77:Nationality
832:Categories
305:References
212:Travancore
208:Trivandrum
176:Makerstoun
144:Travancore
140:Makerstoun
46:1817-09-21
737:123740103
729:2053-5945
690:140713394
651:129015834
643:2053-5945
605:128533166
597:0033-4553
550:128753792
542:0370-1662
526:: 59β60.
493:0370-1662
462:128891729
454:0370-1662
407:0007-0874
357:1476-4687
291:Stuttgart
128:magnetism
113:(1859-61)
415:27324812
365:45026221
287:Lausanne
80:Scottish
58:Scotland
54:Dumfries
748:Sources
577:Bibcode
335:Bibcode
757:(1903)
735:
727:
688:
649:
641:
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501:112834
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460:
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413:
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363:
355:
327:Nature
295:London
220:Kerala
106:(1878)
95:Awards
733:S2CID
686:S2CID
647:S2CID
601:S2CID
546:S2CID
497:JSTOR
458:S2CID
361:S2CID
230:with
216:India
210:, in
206:, in
152:Earth
725:ISSN
639:ISSN
593:ISSN
538:ISSN
489:ISSN
450:ISSN
411:PMID
403:ISSN
353:ISSN
65:Died
40:Born
717:doi
678:doi
631:doi
585:doi
528:doi
442:doi
395:doi
343:doi
124:FRS
99:FRS
834::
764:,
731:.
723:.
713:22
711:.
707:.
684:.
674:25
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627:26
625:.
599:.
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583:.
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391:49
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373:^
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341:.
331:21
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313:^
214:,
56:,
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680::
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48:)
44:(
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