Terrestrial refraction mb-artistname William Watkins The battle of the Valerik

The battle of the Valerik River on July 11

Sectional views of St Michael's Crypt

BSA motorbike

looking directly to camera and holding a leather-bound book

Terrestrial refraction mb-artistname William Watkins The battle of the ValerikPlate illustrating John Ross's report of the curious effects of refraction in Arctic latitudes. The observations were made on 22 September 1832 at North End Cape, Somerset Island, in the Canadian Arctic. Figure 1 shows the land 'as with no refraction, distant fourteen miles'; figure 2 shows 'the same land, with an iceberg four miles distant raised above the land'; figure 3 shows 'the same refracted in a different way on the same day.' Plate facing p.