Note 3 — Chapter IV
Reading edition
γωνία, angle; μέτρον, measure. For details of the construction, adjustment, and use of this instrument the reader should refer to textbooks of mineralogy or crystallography.
Reading edition
γωνία, angle; μέτρον, measure. For details of the construction, adjustment, and use of this instrument the reader should refer to textbooks of mineralogy or crystallography.