364 



Molecular Effects of Liquids. Equilibrium of Gases. 



N... .'.I' IlilL' - 



52692. 1:1. 



52 693. 2 : 5. 



52 694. 1 : 2. 



52 695. 1 : 10. 



52 697. 1 : 7. 



52 698. 3 : 10. 52 699. 1 : 8. 



* 52,692. Capillary Plates, maintained in correct position by a brass wedge and spring, Figure - cl - 



(W. D., Fig. 133 B [121 B]), without stand 0. 3. 



* 52,693. - - idem, with stand, Figure I 0. 10. 



* 52,694. - - idem, larger, with adjustable angle and with stand, Figure 0. 10. 



52,695. Apparatus after Arrhenius, for determining the internal friction of Liquids, F i g u r e 



(W. u. E. phys. Prakt,, Fig. 67) 3. 0. 



In a brass box, let in at the front and back with windows, is a capillary tube with ball 

 and two marks. The specific coefficient of friction is determined by observing the times of outflow 

 of definite quantities of liquid. 



With regard to Viscosimfters and Apparatus for testing Oils and Pats for their lubricating quality, 

 kindly ask for quotations. 



52,696. Apparatus after Jamin, for demonstrating the absorption of liqtiids through porous 



bodies (Chwolson, Lehrb. d. Phys., I, Fig. 328) 



A cube of chalk contains a cavity for taking a manometer, the cube being immersed in water. 



.)_', 097. Striation Apparatus, after Heumann, Figure, for demonstrating the dissolving 



tension of salts (Fr. phys. Techn. I, 2, Fig. 2466) <)..!.(> 



o. Hi. () 



52,697 a. Tube with supersaturated Sodium Sulphate Solution: the solution crystallises when 

 tube i> opened (Chwolson, Physik, Vol. I, p. 620) 



0. 1.0 



52. !>(). Apparatus after Uppenborn, for the Diffusion of Liquids, Figure (W. I)., 



Fig. 135 [123]) 0. 1. 



52,09!). Endosmometer, after Dutrochet, Figure, with irnulnation on wood (M. P., HI, 



Fig. 223 [I, Fig. 465]) 0. 5. 



."'_'.700. -- idem, Figure, with horixontal ascension tube (\V. I)., Fig. 136 [124]) . 

 # Can be used with tlir Projection Apparatus. 



I). 1(1. 



Cl. 33:>, 333,334, 



837, 5360, 838, 839. 



