No. 52691. 



Surface Tension, Capillarity. 



363 



Millimeter. 



52 684. 1 : 4. 



52 685. 1 : 2. 



52 686. 1 : 2. 



52 691. 1 : 4. 



52.681. Apparatus for Capillary Depression and Ascension of Liquids, with 3 capillaries of d. 

 different widths, on graduated wood stand (Fr. phys. Techn. I, 2, Fig. 2451) .... 0. 8. 



52.682. - - idem, with 4 capillaries of different widths, on graduated wood stand, Figure 0. 12. 



52.683. Stand with 10 Communicating Capillary Tubes, Figure, graduated 



* 52,684. 5 different Capillary Tubes, with holder and glass vessel, Figure (Fr. phys. Techn. 



I, 2, Fig. 2452) 

 52,685. - - idem, with plane parallel glass vessel, Figure 



52.686. 5 Capillary Tubes of different widths, with stand, Figure (W. D., Fig. 133 A 

 [121 A]) 



52.687. Capillary Tubes alone (Gan.-Man., Figs. 208211) 



52,688. 5 Capillary Tubes of different shapes, for showing that the capillary ascension at the 

 same temperature is independent of the shape of the tube (Gan.-Man., Fig. 218) . . 



* 52,689. Apparatus for showing the behaviour of wetting and non-wetting liquids in a conical 



tube, Figure (W. D., Fig. 134 [122]), on stand 



*> 



52.690. 1 Set Capillary Tubes for demonstrating capillary ascension and depression, the pro- 

 pagation of a drop in a conical tube, the independence of the capillary effect on the 

 form of tube, and the migration of a drop of mercury by inequality of the surface tension 

 produced electrolytically 



52.691. Apparatus for demonstrating Migration of a Mercury Drop by the electrolytically- 

 produced inequality of surface tension, Figure, suitable for objective observation . 



0. 12. 



0. 2. 



0. 12. 



0. 8. 



0. 1. 



0. 3. 



0. 2. 



0. 4. 



8. 



# Can be used with the Projection Apparatus. 



Cl. 3342, 329,5790, 

 5846, 330, 3533. 



