338 



NEGRETTI AND ZAMBRA, HQLBORN VIADUCT, B.C., 



FIG. 1556. 



FIGS. 1556* 1557 FIG. 1553* 



FIG. 1554. 



d. 



1553 Small sets of Drawing Instruments, without boxes. 

 1553* Compasses with pen and pencil joint and lengthening 



bar (fig. 1553*) per set 



1554 Ditto ditto, with drawing pen (fig. 1554) per set 



1555 Ditto ditto, Steel-jointed 



1556 Common Ruling pens (figs. 1556 and 1556) . . each 016 



1557 Ditto ditto, for Double lines (fig. 1557) . 



Sets of French or Swiss Drawing Instruments, in 

 convenient flat mahogany or rosewood hinged boxes, 

 adapted for Elementary School purposes 



3s. 6d., 5s. 6d., 8s. 6d., 10s. 6d, 1 5 1 10 



SCALES, RULES, &c. 



FIG. 1558. 



1558 Parallel Rules, Ebony, Plain Brass Bars : (fig. 1558) 



6-in. 9-in. 12-in. 15-ia. 18-in. 24-in. 



Is. Is. 9d. 2s. 6d. 3s. 6d. 4s. 6d. 7s 6d. 



1559 Ditto ditto, Ebony, Brass Edged 



6-in. 9-in. 12-in. 15-in. 18-in. 24-in. 



5s. 6s. 6d. 9s. 12s. 14s. 6d. 18s. 6d. 



FIG. 1560. 

 1560 Parallel Rules, Rolling, Ebony, Plain: (fig. 1560) 



6-in. 9-in. 12-in. 15-in. 



7s. 8s. 10s. 6d. 14s. 



18-in. 



16s. 



