CANNOT BE FILTERED OUT Q1 
CHEESE CLOTH 64 MESHES TO THE INCH MAGNIFIED 
SEVENTY -FIVE TIMES 
In this picture in the upper right hand corner 
are the same bacteria shown on the previous 
page. They are five times as large as they ought 
to be in correct proportion to the size of the 
meshes of the cheese cloth. Between the two 
threads, 400 of these bacteria could be arranged 
