LIST OF APPARATUS 



35 



8 Pieces insulated connecting wire (No. 18) 



2 Kymographs (Harvard) with 4 fans each (or long paper kymographs, Figs. 



26 and 27) 



2 Turtle boards (Fig. 28) 

 1 Specimen jar (Fig. 29) 

 6 Double clamps (Fig. 30) 

 4 Burette clamps (Fig. 30) 



1 Battery jar, 4-inch (Fig. 31) 

 6 Test tubes 



2 Small tables, 3 inches and 4 inches in height (to support kymographs, 



Fig. 32) 



1 Test tube brush 

 1 Pound of ether 



Eacli student will sign the following statement at the 

 bottom of the typewritten list: "We, the undersigned, 

 have received the above apparatus in good condition, ex- 

 cept as noted, and for which we each stand responsible to 

 the department. 



Date. 



Signed 1 . 4. 



3. 



5. 



6. 



Fig. 1. Harvard inductorium with dry cell and simple key in series. In the sec- 

 ondary circuit is a double pole double throw knife switch to which are connected two 

 platinum electrodes. By use of this combination two groups of students can use one 

 inductorium and dry cell without either group disturbing the apparatus of the other 

 group. 



