Meteorological observations and essays / By John Dalton.

  • John Dalton
Date:
1834
Catalogue details

Licence: Public Domain Mark

Credit: Meteorological observations and essays / By John Dalton. Source: Wellcome Collection.

    82/280 (page 56)
    ACCOUNT OF THE AURORZ BOREALES. Character. )’s age. ) past full. still large, still still ef es | | ay be «| op|e Qala are || 2| Character. 3 |. C1 = Se FA 1789. |—|— |_| —_—_ Mar.16} |19| distill, small 29 8] |aglance,clouds 30 4| ja glance,clouds 17| Qistill 13} |18] 3jstill 2 30 5 still 4 June 12/10/19} 5jactive Aug.13] |22} 8jactive, high 1 14]10|23} Qjactive, high 15} 9/24)10jstill _____16|10/25]1 1 |still 1711 0)26/12/still 1 8]] 0/27/11 3iactive -_19|10|28|14|active, high 90110) O| {active 25 5| Jactive 1 Sep. 14/10/24/10jstill (d) 15}10)25]1 1|still fine, active 2 23 4| (fine, clouds 26 7| |grand (e) 2 Oct. 18 O| active 19/11] 1] Jjactive —_——20 2} Igrand (f/f) 23 5} |large, still 2 —-) 7 |stall i 9} {still 31} 8/13] {still inclined to the north, and its western to grand display of streamers over two-thi the south: afterwards an uncommonly rds of the hemisphere. (c) It began S. of the prime vertical, and afterwards spread northward. sphere.