ng. The of mica oppositely arranged with respect to each cone is first placed in the polariscope, with ‘he yolar- other, and inclined in opposite directions, the longer izer and analyzer crossed, and turned untilit apdears and shorter sides of adjacent triangles being fastened brightest, when the… … STAR FAN AND CROSSED BARS OF MICA, and turned and marked. Theo The moisture which will percolate through the bottom by its edges to the sheet, the - and sides of the pots will be so gradual that two-gallon members being arranged in the, fame direction. Any of these objects may be viewed by means of…
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