Xo r,2219. 



Dynamometers (Spring Balances), Resistance, Expansion. 



311 



52209. 1 : 10. 



52 212. 1 : 5. 



52 213 A. 1:6. 



52 213 B. 1:6. 



52,215. 6 Pieces of Wire, with lugs, for breaking tests, as suggested by Friedr. C. G. Miiller s. d. 

 (M. T., Pigs. 31 and 3) | 0.10.0 



Portable gallows No. 51,152, the indicating cylinder No. 51,452, balance pan No. 52,216 and 

 one set of weights Nos. 51,676 51,684 are necessary for the experiments. 



52,216. Balance Pan for heavy load (M. T., Fig. 3), see Figure 52,221 



.">2.217. Viscosity Test Pieces for hammering out; bars of lead, brass, wrought iron, zinc, cast 

 iron, wood and glass (M. T., p. 49), 3 pieces of each, 50 mm long, 10 mm thick . . 



52,218. Sheet Iron Strip for Determining Elastic Limit, Viscosity and Strength (M. T., p. 49) 

 . U-shaped Bar for Demonstrating Expansion and Jolting, Figure (M. T., Fig. 32) 



0. 6.0 



0. 8.0 



0. 5.0 



0. 2.0 



Cl. 5525, 695, 5116, 

 r,:il. 3640, 3641. 



