I
• The angle through which the cell has turned is observed by the scales A and B .
• The critical angle is read off on the scales .
II
• The hardness of amber is 2-2.5 on Mohs' scale .
I
• The angle through which the cell has turned is observed by the scales A and B .
• The critical angle is read off on the scales .
II
• The hardness of amber is 2-2.5 on Mohs' scale .
Циммерман М., Веденеева К.. Русско-Английский научно-технический словарь переводчика. Russian-English scientific dictionary for translators. 2012