• The degrees of direction of the compass rose are engraved in 30 degree intervals .
• The intervals between these numbers are graduated in five degree increments .
• The degrees of direction of the compass rose are engraved in 30 degree intervals .
• The intervals between these numbers are graduated in five degree increments .
Циммерман М., Веденеева К.. Русско-Английский научно-технический словарь переводчика. Russian-English scientific dictionary for translators. 2012