The Bakerian Lecture: A Magnetic Survey of the British Isles for the Epoch January 1, 1886 . 22 V 12 A15 6 15i:3i6. Stations on Canna. Although these observations show that the station was highly disturbed, the eflecton the Declination is not so great as to be detected, except by a careful 1888 we observed by means of a small azimuth compass at 23 stations which areindicated on the map, and determined at each the bearings of a number of distantpoints. The observations were made on August 16 and 17, bright sunny days witha northerly wind, on which the atmosphere was very transpar
The Bakerian Lecture: A Magnetic Survey of the British Isles for the Epoch January 1, 1886 . 22 V 12 A15 6 15i:3i6. Stations on Canna. Although these observations show that the station was highly disturbed, the eflecton the Declination is not so great as to be detected, except by a careful 1888 we observed by means of a small azimuth compass at 23 stations which areindicated on the map, and determined at each the bearings of a number of distantpoints. The observations were made on August 16 and 17, bright sunny days witha northerly wind, on which the atmosphere was very transparent. We were thereforeable to take the bearings, not only of prominent headlands on Skye and Rum, but alsoof some distant objects, such as the Ushinish Lighthouse on N. Uist in the Hebrides. The azimuth compass was a small instrument which did not admit of great accuracy,but, as will be seen in the sequel, it was .sufficient for the purpose we had in view. 278 . A. W. BtJCKER AND DR. T. E. THORPE ON A MAGNETIC We carried a chart with us, and marked the position of each station while on thespot. On the average,
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectproceed, bookyear1890
