BAIBD ^lATLOCK (LONDON) LTD. 



1319 (Stand TU) 

 1319' Stand for Dissecting Lenses (Bausch & Lomb's) 



Price 11 3 



Base. Of heavy metal, 98 mm. in diameter. 



Post. Height, 172 mm. ; polished to permit easy sliding adjustment of lens arm connection. 



Lens Arm. One piece with spring clamp at end which will hold any lens not more than 38 mm. in diameter ; 

 maximum distance from centre of pest to centre of lens, 205 mm. ; may be rotated vertically to place lens at any 

 desired angle. 



Adjustments. Two, vertical on post for focus, and lateral, both controlled by convenient thumb screws. 



1320 (Stand TUS) 

 1320 T Stand for Dissecting Lenses (Bausch & Lomb's) 



Price 1 13 9 



Base. Of heavy metal, 122 mm. in diameter. 



Pillar. Round metal, 95 mm. from top to base. 



Lens Arm. In three parts with three joints ; attached to triangular post by strong joint with broad bearing 

 surface ; maximum distance from centre of pillar to centre of lens, 340 mm. ; spring clamp will hold lenses not 

 exceeding 38 mm. in diameter. 



Adjustments. Vertical, for focus, by rack and pinion, with range of 48 mm. ; first two joints of lens arm con- 

 trolled simultaneously by single winged nut at first joint ; third part of lens arm, the lens holder, adjustable through 

 30 mm. to and from second part of arm, and secured in any position by thumb screw ; may also be rotated vertically 

 to place lens at any desired angle ; entire arm revolves about the pillar. 



ICHEMICAL AND SCIENTIFIC APPARATUS AND PURE CHEMICALS. 



