Xo. 503515. 



Accessories for the Lecture Tables. 



65 



50 353 E. 1 : 20. 



50 353 F. 1:15. 



50 355. 1 : 10. 



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50356. 1:12. 



50 354. 1 : 10. 



s. d. 



cation 



6. 12. 



50,354. Table Draught Pipe with} Stand Arrangement (F i g u r e), in the Laboratory for Price on 

 Applied Chemistry, Leipzig University, Medical Laboratory -appli- 



:>n.:;55. Contrast Background with Mirror Device (Figure), for making objects and pheno- 

 mena plainer, and especially demonstration of reactions in porcelain dishes, crucibles 

 or mortars which can only be viewed from above and not from the auditorium . . 

 This consists of three flap glass plates with black, white and silvered ground. These glass sheets 

 are ahout 50 cm long and 30 cm high, mounted in metal frame moving in hinges and fitted with device 

 for adjusting. The arrangement is fitted on a wood slab, placed on the table. The whole runs on balls 

 and can be turned about. 



50,356. The Pneumatic Troughs for the Lecture Table can be supplied in various sizes, of 



copper, provided on 4 sides with plate glass panes. Figure, with copper bridge, appli . 

 overflow, and water outlet, and with stand for raising and lowering cation 



Price on 



For special Fittings and Accessories for Lecture Tables 

 see pp. 1012 and 1622. 



Cl. 5235, 5246. 

 4651. 

 4652. 5242. 



