Description | Tables of magnetic observations, with magnetic declination, magnetic intensity, and magnetic inclination [or dip] recorded at five minute intervals, twelve observations per hour, from 10.00am on 22 January to 9.00am on 23 January 1840.
Headed [p.1]: 'Termins Beobachtungen zu Prag am 22 u. 23 Jannar 1840. Beobachter: Bonnet, Fritsch, Kreil, Kuranda'. [Term observations at Prague on January 22 and 23, 1840. Observers: Bonnet, Fritsch, Kreil, Kuranda]. |