478 



EXPERIMENTAL PHARMACOLOGY 



the list, and these items mainly special forms of hand 

 tools, attachments, etc., and special supplies will vary 

 according to the training which the mechanic has had and 

 with reference to the special work which the department 



Pulley er pulley 



Hmqe ^Tension spring 



Fig. 367. A motor driven long paper kymograph constructed mainly of gas pipe and 



fittings. 



may want done. A few (approximate) prices are indicated 

 in the list for items on which errors are especially liable to 

 be made in purchasing or for articles of great use in the 

 shop. 



