Index of refraction of calcite for X-ray
โ
G.F.S.
๐
Article
๐
1925
๐
Elsevier Science
๐
English
โ 65 KB
to -5 per cent., while older ice in situ, which had certainly been through one summer, still contained .2 per cent. of salt, this being far too much for the ice to be of any use for drinking water." The ice that yields potable water always comes from an old pressure hummock and can be recognized by