1895 0-8 mill. Kr. 1905 50 » » 1910 14:0 » » 1915 62:0 » > 1925 490 » >» 1930 35:0 » » 1933 266 » » The good result the Norwegian canning industry can thus show in having in a comparatively short period established a recognised name throughout the world is due to various circumstances; in the first place, to the rich supply of fresh raw mate- rials, secondly, the systematic application of scientific methods, and thirdly, to the invention of special machines. Scientists have demonstrated that the vitamins occurring in fish are not adverse- ly affected by preservation methods, and that Norwegian fish conserves such as brisling, smaa- sild, and kippered herrings are very rich in vitamins. Further, it has been proved that Norwe- gian canned fish possesses a high iodine value — a factor of prime importance in a food so widely used. 106