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Scientific American, Vol. 55, No. 2 (July 1886) (1886)

leaf 4

An illustration from Scientific American, Vol. 55, No. 2 (July 1886), 1886, leaf 4
onger izer and analyzer crossed, and turned until it appears and shorter sides of adjacent triangles being fastened brightest, when the lower edge is marked. 'The mica at the periphery of the star by a minute drop of sheet is then placed in a similar way in the folarijoope. sealing wax. In Fig. 6… … 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…

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