PROFESSOr. H. R. DTXOX OX THE ^^OYE^^EXTS 
Description of the Plates. 
PLATE 10. 
Mallard and Le Chatelier’s photographs of explosions in tubes fixed verficaUy. 
Fig. 1. Explosion of the mixture CS2 + 6XO ignited at the open end of a tube 3 metres long and 
20 millims. in diameter. 
Fig. 2. Same mixture fired at open end of a tube 10 millims. in diameter. 
Fig. 3. Mixture of CSo + OXO fired near closed end of tube 2 metres long. A “ reboimd-wave ” from 
the further end of the tube is shown. 
Fig. 4. Mixture of CS2 and oxygen fired at open end of tube. A detonation-wave is set up. 
Yon Oettingen and vox Gerxet’s photographs of explosions in a vntiral tube containing metallic salts. 
Fig. 5. Electrolytic gas fired in centre of tulie 400 millims. long. 
Fig. .5A. Supposed joath of waves in fig. 5. 
Fig. 6, Electrolytic gas fired 50 millims. from one end of tube. 
Fig. Ga. Supposed path of Avaves in fig. G. 
PLATE 11, 
Photographs of explosions in horizontal glass tul)es. 
Reflexion of Avavc from closed end of tube (CoXo -1- 20 ,). 
Reflected Avave ju’oceeding backAAvards „ 
Fig. 7. 
Fig. 8. 
Fig. 9. 
Fig. 10. 
Fig. 11. 
Fig. 12. 
Fig. 13. 
Fig. 14. 
Fig. 15. 
in mixture 2H2 + O2. 
2 CO + O2. 
C2X2 + O2. 
2C2H2-I-5O2. 
Explo.siou reaching open end of tube. 
,, „ end of tube loosely corked. 
Fig. IG. Tube broke as explosion reached end of tube. 
Fig. 17. Explosion passing throAtgh long tube; movements of the gas are not affected by reflexions. 
PLATES 12 AND 13. 
Fig. 19 
Fig. 20 
Fig. 21 
Fig. 23 
Fig. 25 
Fig. 2G 
Fig. 27 
Fig. 2S 
Fig. 29 
Fig. 30 
Fig. 31 
Fig. 32 
Fig. 33 
Sound-Avaves rnedinfi detonation (02X2-1-202). 
,, . AA'aA'e meeting ,, (02X2-1-02). 
,, fullon'lnff „ 
Taa'o explosions meeting end-on. 
5 
ShoAAuno; irregularities aud sudden increments of briglitness 
and velocity. 
