342 



Equilibrium of Liquids. 



No. 52492- 



52 495. 1 : 7. 



52 496. 1 : 7. 



52 492. 



52 494. 1 : 6. 



52497. 1:18. 



52499. 1:14. 



52 500. 1 = 12. 



0. 6.0 



52,492. Buoyancy Apparatus, simple, Figure, open glass cylinder closed by plane alumi- s. d. 

 nium plate 0. 4. 6 



52.494. --idem, Figure, open glass cylinder with metal mount, aluminium plate and 

 glass vessel (Fr. phys. Techn. I, 2, Fig. 2395 [I, Fig. 169]; Gan.-Man., Fig. 97; Gan.- 

 Akt., Fig. 78) 



The bottom plate of the inner cylinder is drawn up by a thread, the outer cylinder being filled 

 with water; the plate is then firmly held in place by the pressure at base. If now the inner cylinder 

 is filled with water to the level of the outer, the plate falls down. 



52.495. 3 Communicating Tubes, on one wood board, Figure 0. 8. 



52.496. Communicating Tubes, on stand, 4 different width and differently bent tubes, Figure 0. 4.0 



52.497. - - idem, with large glass vessel and stopcock, Figure 1.12.0 



52.498. Communicating Vessels (M. T., Fig. 59) 0. 2. 



52.499. Communicating Water Vessels, Figure (Kolbe-Skellon, Introduction to Electricity, 

 Parti, Figs. 64 to 66), with graduation, two of equal and two of unequal diameter, con- 

 necting tube with cock, also suitable for Capacity Comparisons, with centimetre graduations 1 . I . n 



52.500. Channel Balance, with simple stand, Figure 1. 0. 



52.501. -- idem, better type, dismountable, stand with ball bearings, in box, Figure i.io. 

 :!'. 502. Model of the Channel Balance, after Friedr. C. G. Miiller (M. T., Fig. 60) .... o. 8. 



52.503. U-shaped Tubes for liquids of different gravity, Figure, on wood stand, with 

 graduation, simple 0. 5. 



52.504. - - idem, 500 mm long, Figure, with white and red graduations, with polished 



wood stand 0. in. n 



52.505. -- idem, with levelling screws (Gan.-Man., Fig. 104; Gan.-Akt., Fig. 84). ... 1. 4.0 

 52,507. idem, after Friedr. C. G. Miiller, with discharge cock (M. T., Fig. 61) ... 0.10.0 



< I. :.H34, 730, 739,5828, 

 741, 2121, 745. 





