490 : General Notes. [May, 
to the top of which is soldered a clipp or grip (4), which embraces 
the end of the siphon-tube (c), as shown in the figure, and gives 
adjustment by allowing the dripper to be pushed back or forth. 
Instead of the wire and clip a “sleeve-holder” having a long 
shank may be used, after merely straightening out and twisting 
the shank. Attachment of the wire to the object-holder is 
secured by the collar (æ), which is screwed down firmly upon» 
the wire and gives at the same time a second and valuable adjust- 
ment about a vertical axis. To carry off and save the alcohola 
copper or tin trough is used, and is shown in Fig. 3. It may be 
readily made by “ bending up” a thin flat piece of the metal, and 
Li} ng of the 
apparatus I have been constantly aided by my friend and pupil, 
