198 



A. DAIGGER & COMPANY, CHICAGO, U. S. A. 



LECTURE APPARATUS 



3334 



3336 



3334 



LECTURE Apparatus for the electrolytical decomposition of hydrochloric 

 acid, water and ammonia. 



3334a The V shaped tube with stout platinum electrodes $5.00 



3334b The support 4.00 



3336 LECTURE Apparatus to show that hydrochloric acid is produced by the 

 combination of 1 vol. of Chlorine with 1 vol. Hydrogen, the apparatus 

 consisting of tube, 2 tube supports, chloride of calcium jar, cylinder 

 with widened mouth and decomposing cell. 



3336a The tube only 5.50 



3336b The tube supports only 4.50 



3336c The decomposing cell only 6.75 



3338 



3342 



3338 LECTURE Apparatus to ascertain the quantity of hydrogen contained in 

 1 vol. of hydrochloric acid. 



3338a The tube, with 2 hollow glass stopcocks 5.00 



3338b The support 5.00 



