194 ISOLATION OF BACTERIA IN PURE CULTURE 



Professor W. A. Starin of the author's department, a 

 former student of Professor Barber, has done some excellent 

 work with this apparatus. 



Fig. 132. — Diagram of Barber's isolation apparatus. 6, moist chamber; 

 VIS, large cover-glass over moist chamber; p, small pipette drawn out to a 

 fine point; k, r, g, pipette holder; /, screw for raising and lowering k, r, g; s, 

 screw for lateral motion of k, r, g; n, screw for clamp on pipette which allows 

 it to be moved in or out; 7n, mechanical stage of microscope; t, rubber tube 

 held in the mouth and used to move the liquid culture medium in the pipette. 

 (Journal of Infectious Diseases, October 20, 1908, 5, No. 4, 381.) 



