Xo. 54995. 



Kolbe Thermoscope. 



597 



r 



54992. 1 : 10. 



54 991. 1 : 7. 



54 994. 1 : 6. 



54 993. 1 : 7. 



54 995. 1 : 7. 



54.987. Gypsum Slab, round, 50 mm diameter, 10 mm thick (addition to Expt. No. 9) 



54.988. Alum Slab, round, 50 mm diameter, 10 mm thick (addition to Expt. No. 9) 



54.989. Rock Crystal Slab, round, 50 mm diameter, 10 mm thick, cut parallel to axis (addition to Expt. No. 9) 



54.990. Rock Crystal Slab, round, 50 mm diameter, 10 mm thick, cut perpendicular to axis (addition to Ex- 

 periment No. 9) 



54.991. Accessories for Experiments on Thermal Conduction of Metal Rods (Experiment No. 10, Fig. 10), Figure 



(a) 1 Sheet Metal Vessel with 3 necks ( 0. 7. 0); (b) 2 Copper Rods, 250 mm long, 6 mm thick, 

 in tubular glass receivers ( 0. 6. 0); (c) 1 Lead Rod, 250 mm long, 6 mm thick, in tubular glass receiver 

 ( 0. 3. 0). 



The following rods are also intended for these experiments. 



54.992. 6 further Metal Rods, Figure, 250 mm long, 6 mm thick, in tubular glass receivers 



(a) Aluminium ( 0. 3. 0); (b) Brass ( 0. 3. 0); (c) German Silver ( 0. 3. 0); (d) Zinc ( 0. 3. 0); 

 (e) Tin ( 0. 3. 0); (f) Iron ( 0. 3. 0). 



54.993. Accessories for Experiments on Thermal Conduction of Liquids and Gases (Experiment No. 11), Figure 

 without box 



(a) 4 Double Vessels of glass, for water, alcohol, oil and mercury; 1 length Rubber Tubing with 

 glass tube. ( 0. 18. 0); (b) 1 Wood Fillet with hinge, for taking two double vessels ( 0. 3. 0); (c) 5 Glass 

 Double Vessels, filled with air, oxygen, hydrogen, illuminating gas, and carbon dioxide, sealed up 

 ( 1.8.0): (d) 1 evacuated Double Vessel, unsilvered ( 0.5.0); (e) 1 evacuated Double Vessel silvered 

 inside ( 0. 8. 0). 



54.994. Accessories for Experiments on Sp33lfic H?at 0? Solids and Liquids (Experiments Nos. 12 and 13) 

 Figure 



(a) 2 Double-walled Glass Receivers with com graduation and wood lids (Fig. 12. 0. 9. 0) : (b) 5 Metal 

 Bodies of same weight ii-id sa'iic area. 2 of copper, 1 eaoh of lead, tin and iron ( 0. 9. 0). In addition, 

 the sheet iron vessel No. 54, 991 a must be available. 



."i4.ii!)."). Accessories for Experiments on Thermal Consumption on Evaporating, Generation of Heat by Mechanical 

 Work, Decrease of Heating with the Square of the Distance (Experiment No. 14 16), Figure . 



(a) 2 thick artificial Corks, f>0 mm diameter, 12 round blotting paper discs, 50 mm diameter and 

 1 piece sandpaper ( 0.2.0); (b) 1 Wire Gauze Globe, 30 mm high, on wire stirrup ( 0.2.0). In 

 addition, the two Receivers Xo. 54.9S(i a and the two Rer.eivo.rs No. 54,976 b, black-white, must be 

 : "ailable. 



Cl. 6160, 6170, 

 6165, 61B2, 

 6172 8159. 



S. d. 



0. 10. 



0. 10. 



0. 13. 



0. 13. 



0. 16. 



0. 18. 



3. 2. 



0. 18. 



0. 4. 



