"The isolation of the directions-image of small objects" and "A method of determining the angular direction represented by a point in the directions-image of an object under the microscope."
Publisher: Mineralogical Magazine
Published: 1916
Place of publication: [England?
Language: eng
Number of pages: 57
Subjects: Microscopy -- Technique
Other titles: Mineralogical magazine. Vol. 18, no. 83; A method of determining the angular direction represented by a point in the directions-image of an object under the microscope.
Notes: Reprinted from: Mineralogical magazine, vol. 18, no. 83, November 1916, pp. 45-51 and 52-57.