408 



Motion of Gaseous Bodies. 



8 in:; 



53108. 1 : (i. 



53103. 1:11. 



53105. 1 : 4. 



53114. 1 : 4. 



53115. 1 : 4 



53.103. Draught Apparatus after Meidinger, Figure, comprising wide tube with burner 

 and three lateral openings on to which lights are fixed 



It is possible to show with this apparatus the causes of draught, also the back draught in 

 chimneys and the action of the wind on the draught in chimneys. 



53.104. Sheet Iron Cone with lateral tube for showing the sucking action of chimney cowls 

 (M. T. p. 128) ; . . . 



53.105. Apparatus for Suction Phenomena of. Outflowing Gases, after Clement and Desormes, 

 F i g u r e (M. P. I, Fig. 578 [596]) 



53.106. Apparatus for Suction Phenomena (W. D. Fig. 179 [164]), with tapered blow pipe 



53.107. -- idem, with constricted tube (W. IX Fig. 180 [165]) 



53.108. Apparatus for Suction Phenomena, of glass, with brass mounts. Figure (M. 1'. I. 

 Fig. 580 [508 1) 



53.109. Model of Injector (Steam Jet Pump) after Keichert, F i g u r e, complete, with stand, 

 boiling flask, spirit lamp, wood clamp and beaker 



53.110. -- idem, without accessories named above (M. P. I, Fig. 581 [599]) 



Sectional Model of the Steam Injector: see Section "Heat". 



53.111. Pulverising Tube of glass (M. P. I, Fig. 582 [600]) 



53.112. Apparatus for demonstrating the Breathing of human beings. Figure, after 

 Meut/uer (/tschr. f. d. phys. u. chem. I". 5, 1892, p. 305) 



.">.', 113. - - id e m, with stand 



53,114. Sectional Model of a Clack Valve, of metal, Figure 



5.",, 1 15. Sectional Model of a Ball Valve, of metal, Figure 



53.116. Sectional Model of a Conical Valve, of metal, Figure 



53. 11 7. Sectional Model of a Plate Valve, of metal. Figure 



8. il. 

 IS. II 



0. 3. (I 



0. S. I) 

 0. 2. (t 

 0. 2. 



0. 10. 



o. 1 I. o 



0. 3. (I 



o. o. 4 



(I. 10. 



(t. 11 



0. 15. (I 



0. 15. (I 



II 15. (I 



II. 15. 



Water Air Pumps: *< No*, .vi.127 .>o,K>f>. pp. -2-2 -2' 



i I. :>si;7. 3358, 

 1000. 3 3. V.I. 



1008, HUM. 

 linrj. 



