76 



L. CASELLA'S CATALOGUE 



FIG. 600. FIG. 621 



PROTRACTORS, 



IVOEY, SIX INCH. 



603. With plain scale, etc. . 0301 605. Best, fully divided 



604. Same, more fully divided 4 | 606. Same, with roller 



607. Horn Semicircular (fig. 607), p. 77, 3 to 8 inch., Os. 6d. to 



608. HOEN CIECULAE, 2s. Od. to 



Semicircular (fig. 609), p. 77. 



German 

 Silver. 



10 

 12 



Brass. 



076 



090 



611. 8 inch. 



612. 9 inch. 



609. 6 inch. 



610. 7 inch. 



613. 10 inch 



614. 8 inch., with vernier and arm, in mahogany case (fig. 



Circular. 



German 

 Silver, 



19 



1 2 



Brass. 



11 

 13 

 15 

 400 



615. 6 inch. 



616. 7 inch. 

 619. 10 inch. 



Brass. 

 14 



17 



617. 8 inch. 



618. 9 inch. 



1 



1 

 1 



5 

 15 



2 



8 



German 



Silver. 



15 



17 



1 

 4 15 



German 



Silver. 



160 

 1 10 

 1 14 



Brass. 

 



2 



5 



620. 6 inch., with one vernier, reading to one minute, in mahogany case : 



Brass. Brass divided on Silver. German Silver. 



2 18 3 12 6 3 10 



Brass Circular Protractors, 



Furnished with clamp and tangent screws, folding arms, and double verniers, divided to 

 twenty-seconds, in mahogany cases (fig. 621) : 



Divi'ed on brass. Divided on silver 



621. 6 inch. . . " . . . 500 5 15 



622. 7 inch. . . . '. . . 600 6 15 



623. 8 inch. . . . . . 6 15 7 10 



624. Architects' Curves in great variety, from 6s. 6d. the set of twelve (fig. 624). 



