i-5, COUNHILL, E.G., A\D 12'?, EEGENT STREET, W., LONDON. 337 



FIG. 1538. 



FIG. 1539. 



1537 Proportional Compasses, full divided, best make, & s. d. 



Tangent Screw, Screw Adjustment, in hinged 

 Leather Case 



1538 Pocket Divider, with turn-in points ^fig. 1538) . . 



1539 Napier's Pocket Compasses, with Revolving pen and 



pencil points, in neat hinged case (fig. 1539) . .110 



1540 Ditto ditto Best Mounted 



330 



076 10 6 



150 

 1 15 



FIG. 1543. 



FIG. 1544. 



1541 Pillar Compasses, in Brass . . . . . . 15 



1542 Ditto ditto, German Silver, in case .... 



1543 Ditto ditto, with Lengthening Bars, in case (fig. 1543) 



1544 Ditto ditto . . with Ivory scale, in ditto (fig. 1544") 



150 

 150 

 200 

 250 



The Pillar Compasses form a most convenient pocket set of Drawing Instru- 

 ments for travellers, comprising a large pair of dividers, with pen and pencil joint, 

 also a bow pen and bow pencil. Nos. 1543 and 1544 have lengthening bars, by which 

 very large circles and curves may be drawn either in ink or pencil. 



1545 Whole and Half Compasses (fig 1545) .... 110 



1546 Tube Beam Compasses 2 15 



1547 Beam Compass fittings, plain, for any bar . . .150 1 10 



1548 Best ditto ditto, with Tangent Screw and Pen and 



Pencil points (fig. 1548) in case 250 



1549 Tube Compasses, with case and scale .... 220 



1550 Ditto ditto . . . best Sector-jointed, in case 2 12 



1551 Callipers, Proportional, 12-inch 220 2 12 6 



1552 Ditto ditto . 9-inch 1 16 220 



