270 



Mechanics of Solids (Statics and Dynamics;. 



Nil. .''1 



51 883. 1 : 12. 



51 886. 1 : 



51 884. 1 : 10. 



51 888. 1:12. 



51 889. 1 : 4. 



3. 



51.883. Lever Apparatus, for demonstrating the cooperation of parallel forces, Figure, 

 with 12 weights in wood block (Fr. phys. Techn. I, 2, Fig. 2101) 



51.884. Lever Stand, Figure, for forces directed upwards and downwards; stand with 

 lever, 3 arms and 3 pulleys, on box, with drawer 



For weights, see Xo. 51, 824 c, p. 260, or No. 51,904. 



51,886. Apparatus fdr explaining the Different Levers and the Balance (Flick's), Figure (Fr. 



phys. Teclm. I, 2, Fig. 2096 [I, Fig. 91]), of metal (without weights) j 2. 



i. (l. 

 5.0 



2.15.0 



.") I ,X87. - - i d e in, of wood 



51.888. Angle Lever, Figure (W. D., Fig. 76 [69]), of metal, stand with levelling screws. 

 I 'rice, excluding weights 



51.889. Lever Apparatus (Bertram's), Figure, for explaining the balance beam, entirely 

 of metal 



51,891. Apparatus for the Theory of the Moments of Torsion and the Conditions of Equilibrium, 



a> Miggested by Haiti, Figure (Ztschr. f. d. phys. u. cheni. I"., 14, 1901, p. 321) 

 I Wood Fnmie. I Stand with Circular Discs, 1 Cardboard !>isc with polyjron of forces on both 

 sides. 1 I, ever. 1 Arbor Wheel. 2 C. I. Supports. 4 Hooked Weights each with 4 5o c; and 1 25 g 

 weight for itddincr. -2 Hooked Weijrlit^ of i'u j;; 3 Pulleys on cramps; 1 Equilihrisin;; Weight with 

 hook: Tnreads with eqnilibrised hook-. 



:>1.S92. Arbor Wheel (Kriedr. C. (J. M tiller's) (M. T., p. 42), the two wheels arc mounted on 



one shaft with a space between 



51,893. Precision Pulleys (Friedr. C. G. Muller's), Figure (M. T., Fig. 8). Price per two 



1. 



5.0 



I. (i 



1. 8.0 



1.16.0 



7.10.0 



0.12.0 

 1.10.0 



CI. ."''C. ."''"''. 



no 



