OF CHEMICAL APPAKATUS. 



225 



FIG. 2697. 



FIG. 2692. FIG. 2692*. FIG. 



FIG. 2700. 







2693. Gay Lussacs's Alkalimeter, divided as No. 2692 (fig. 2693) 



2694. SCHUSTEE'S ALKALIMETEB, 9d. ; Clarke's tube retort and receiver 



2695. MOHE'S BUEETTE, with pinch-cock and caoutchouc tube (fig. 2697) : 



In decems. = 10 grains. 



In cubic centimetres. 



10 c.c. in T V 

 25 c.c. in i 

 25 c.c. in JQ 

 55 c.c. in f 

 60 c.c. in ^ 

 100 c.c. in | 

 100 c.c. in % 

 100 c.c. in 



50 dec. in 

 50 dec. in 

 100 dec. in ith 



. 030 



. 030 



. 040 



. 049 



. 060 



. 060 



. 066 



. 080 



This is the most generally useful form. 



046 

 050 

 050 



FIG. 2683. FIG. 2703. FIG. 2780. 



2696. MOHE'S BUEETTE, with glass stop- cock instead of pinch-cock, from Is. to Is. 6d. 



more. 



2697. Wooden Screw Clamps for holding burettes (fig. 2697), blackened wood, 



4s.; mahogany . . . . . . 050 



2697*. EEDMANN'S FLOAT . . . ... . 016 



Q 



