96 



EIGHTEENTH REPORT. 



Figure 14. Tank for washing fixed preparations. 



since tbe current is so gentle, no damage has ever been done to 

 the nio8t delicate material. 



The whole api)aratns nmy very conveniently be placed on a shelf 

 over or near the sink. 



Michigan Agricnltural College, East Lansing, Mich. 



