52 



Stand l b 

 (for crystallographic and petrographic work). 



Upper body with old form of .fine adjustment; draw-tube fitted 

 with rack and pinion movement; several openings in outer tube; 

 with centring' appliance for objectives on lower end of outer 

 tube. 



A. with rotating, but permanently centred, stage with graduated 

 scale at the circumference, and auxiliary cross-lines at right angles 

 to one another. The permanent centring of the stage in relation to 

 the illuminating apparatus is most carefully adjusted before leaving 

 our works. Fig. 24. 



Price: Code- words: 



No. 60 : Stand I b with rotating, permanently centred stage and 



ordinary condenser, num. Ap. 1,40 Marks 500. . Parlanehin. 



,, 61: Stand I b with rotating, permanently centred stage and 



swing-out condenser, num. Ap. 1.40 525. . Parlerito. 



B. with large mechanical stage which is also provided with a divided scale. 



Price : Code-words : 



No. 62: Stand I b with large mechanical stage and ordinary 



condenser, num. Ap. 1.40 . Marks 575. . Parnasso. 



63: Stand I b with large mechanical stage and swing-out 



condenser, num. Ap. 1.40 600. Parola. 



The tube of Stand l b being already fitted with a centring arrangement for 

 objectives, the large mechanical stage of that stand is not provided -with a sepa- 

 rate appliance for centring. In this combination the vulcanite stage, No. 43, and 

 the large mechanical stage are therefore not interchangeable. 



With the swing-out condenser, num. Ap. 1.40, as supplied with Stand I b , 

 the two upper lenses are easily removable, as their mount slips (not screws) on 

 that of the lower lens. 



The prices quoted above include only the stands in mahogany cabinets, without 

 oculars, objectives and revolving nose-pieces. 



Suitable complete specifications are appended at the end of tliis catalogue. 



