360 



Molecular Effects of Liquids. 



N.I. :._ i ;.-,;i 



52 659. 1 : 5. 



52 660. 1 : 6. 



52 663. 1 : 3. 



52,659. Plateau's Apparatus, for showing the flattening of a Sphere of Oil rotating in an alco- 

 holic solution, with rectangular glass box, Figure (Fr. phys. Techn. I, 2, Fig. 3522) 



* 52,660. --idem (Weinhold's) (W. D., Fig. 85 [78]), Figure, for use with the Projection 

 Apparatus by employing one of the apparatus for projecting horizontal objects, Nos. 51,032 

 to 51,039 



.~>2,661. 4 Cohesion Plates, Figure, for suspending on the balance, 40 mm diameter, of 

 ground glass, polished ebonite, brass and iron (W. D., p. 167 [144]), for showing the 

 cohesion of wetting liquids and the adhesion of non-wetting liquids on solids .... 



.">i'.(62. 4 Hollow Spheres, of glass, 2 of these coated with paraffin, for demonstrating capillary 

 attraction and repulsion (M. P., Ill, Figs. 191 193 [I, Figs. 448 450]) 



.M'. ii3. Plateau's Equal-weight Figures, for soap solution, set of 4, F i g u r e, circle with 

 feet, circle with handle, triangle and cube (cf. Fr. phys. Techn. I, 2, Figs. 2446 2450) 



:>:_', uiil. Vacuum Syphon, after Weinhold - Stcinbrinek, Figure. Cohesion Syphon filled 

 with water, approx. 1 in long (Jahrliiicher 1'iir \\issenschaftl. Hotanik. Vol. ll', part 4, 

 pp. 585 et seq.), working by the cohesion of the liquid particles 



s. (> 



1. o. (> 



o. 6. o 



u. I. (i 



# Can be used with Projection Apparatus. 



(1. sic, 5863, 

 S'.'j. 



(>. 

 83, 



If., u 



