Bull. U. S. (-". C. 1893. Pearls ard Pearl Shells. 



Plate 22. 



TABERNACLE DOOR, TIFFANY GLASS AND DECORATING COMPANY. 



Three center pieces in central ornament and four circles at each end, natural pearly pieces of mo'.her-of-pearl ; four oblong ornaments 

 above and below circles, rounded Nautilus jiompilius ; four other circles with oblong or irregular centers, natural beach pebbles, 

 used for translucent effect — an original use of natural objects. 



MANDOLIN, LYON & HEALY, CHICAGO. 



Made of two thousand separate pieces of various materials, including four distinct qualities of pearls, the effects being produced by 



the shading of the different pearls. 



