358 



Motion and Molecular Effects of Liquids. 



N... :.. 



52 643. 1 : 6. 



52 644. 1 : 5. 



52 645. 1 : 5. 



t 52,643. Model of a medium-high Discharging Water-drawing Wheel, Figure 



52,644. Model of an Apparatus for raising the Sluices, with rack and pinion, Figure. . 



52.645. - - i d e in, with Screw and Spur Wheels, Figure 



52.646. i d e m, with Switch-gear and with Chain-pull . 



Molecular Effects of Liquids. 



f s. .1. 



15. d. (> 

 5. (>. ( 



ti. in. d 

 7.10. it 



52.647. Piezometer, after Weiuhold, Figure (W. D., Fig. 127 [115]), suitable for the Pro- 

 jection Lantern, for showing the small degree of compressibility of liquids _. .">. n 



52.648. -- idem, after Grimsehl (Grimsehl, Lehrb. d. J'liys., 1909, Fig. 214; /tschr. f. d. 

 phys. u. chem. U. 20, 1907, p. 7). The compression vessel with the liquids in be tested 



is kept at the same pressure inside and outside by mercury. Price without mercury 1. is. d 



52.649. Piezometer, after Oersted, Figure, with Pressure Screw, with m:i>>i\e uhiss cylinder 



for 10 atm., with insets (pressure vessel, thermometer, air manometer) 4.1(1.0 



The items marked f are carefully constructed models for I'niversities anil 



Cl. 3646,3(11- 



