LABORATORY SUPPLIES AND CHEMICALS 



323 



5052 



5050 PETRI DISH HOLDER, round form, made of polished copper and nickel- 

 plated, with five shelves, according to Dr. Pfuhl, for sterilization and 

 sterile transportation of Petri and other glass dishes; size, 8 by 5 

 inches $10.00 



5052 PETRI DISH HOLDER, same as above, but square form; size, 7 by 5 by 



5 inches . 9.00 



5054 



5056 



5054 DISHES, Double Dishes, or Moist Chambers, of heavy glass, with polished edges, 

 without knob. 



Diameter, ctm 14 18 20 25 



Each $0.75 1.00 1.20 1.40 



5056 DISHES, Preparation, so-called Stender Dishes, American make, covers ground 

 on. 



Diameter, mm 36 50 50 



Height, mm 24 30 35 90 



Each $0.12 .15 .18 .20 



5058 



5062 



5058 DISHES, Staining or Mounting, of glass, square form with vertical surface 



ground for writing on, with glass plate cover. 



Per dozen $1.00 



5060 DISHES, same as above, best cut and polished. 



Per dozen 3.00 



5062 DISHES, Staining or Mounting, so-called Syracuse Watch glasses, improved 



form, ou'Lside diameter 6.5 mm., inside diameter 50 mm., beveled plain 



edges. 



Per dozen 75 



5064 DISHES, same as above, with 'ground beveled edges for writing on. 



Per dozen 1.25 



5066 DISHES, same as above, with special ground in grooves so that dishes stack 



up airtight. 



Per dozen . 1.50 



