1068 



Section 12: Miscellanea. 



No. 63 507 



63 507 A. 1:3. 



63507B. 1:3. 



63531. 1:5. 



63.507. 15 Models of Crystals^composed of glass discs, with enclosed base of cardboard, s. d. 

 Fig. 63,507 A or with axes of coloured threads, Fig. 63,507 B, well mounted and cemented; 



size of the single crystals 15 25 cm 2. 10. 



The collection contains the most important fundamental shapes. 



63.508. 16 Models of Crystals, of glass, for demonstrating simple combinations of holohedrie 



and hemihedric forms, the combinations of pasteboard, enclosed 4. 15. 



63.509. 30 Models of Crystals, of glass, with coloured axes drawn in, representing the simple 

 fundamental forms, cf. Fig. 63 507 B, 15 25 cm in size 6. 0. 



63.515. 10 Models of Crystals shewing the most important Intersecting Doublets; the various 

 single crystal individuals fitted by glass of different tint for demonstration, 15 25 cm 



in size 4. o. <> 



Prices on application for other collections. 



63.516. 30 Models of Crystals, of Wood, representing the simple main forms, 5 cm average sixe 1. 10. 



63.517. -- idem, average size 10 cm 3.15.0 



63.518. 30 Wood Crystal Models, large, light construction, for demonstration purposes, the 

 simple main forms, of pear-tree wood, hollow, size 20 25 cm r. 0. 



63.520. 50 Wood Crystal Models, specially collected for High Schools and Colleges, including 



in addition to the chief types, different combinations and doublets, average sixe ."> em _. Id. <> 



63.521. --idem, average size 10 cm (J. !.'>.<) 



63.522. 80 Wood Crystal Models, 5 cm in size, after Prof. C. Hintze 5. 0. 



63.523. - - idem, size 10 cm 14. 5. 



a. 3150, sir.i, 

 8168. 



