Terrestrial refraction Finish:Float frame 20th October 1966

20th October 1966

View of Royal Exchange and the Bank of England on left

View of Copenhagen House and gardens

Fishmongers' Hall from north east

Terrestrial refraction Finish:Float frame 20th October 1966Plate 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.