vhg. The of mica oppositely arranged with respect to each cone is first placed in the polariscope, with ;he polar- other, and inclined in opposite directions, the longer izer and analyzer crossed, and turned until it appears and shorter sides of adjacent triangles being fastened brightest, when the… … X\m^v MICA SEMI-OYLINDEl'l CEOSSED. STAB FAN AND CEOSSED BAES OF MICA. and turned and marked. The OjBie is then cemjted end, giving the object an appearance similar to that The moisture which will percolate through the bottom by its edges to the sheet, the ^rked edges of .'oth of a folding fan. and…
Patented · Munn · Upper · Feet · Valve · Patents · Scientific American · Center · Linseed oil · Horse power · Type writer · Express money · Sandy hook · Type plates · Hall type · Address munn · Gelatine bromide
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