EQUIPMENT 



A lipt of apparatus, which will assist the student in per- 

 forming the exercises outlined in the foregoing lessons, is 

 given below : ' 



20 12-oz. Gas Bottles, or Wide-mouthed Preserve Jars. 

 6 Small Steel or Iron Prying Pans. 

 1 Trip Scale with Rider. 

 1 Set Avoirdupois Weights, 1 lb. to J oz. 



1 Set Metric Weights, 1 Kg. to 5 g. 



20 Tin Cans, No. 3, with lids and bottoms removable. 

 20 circular pieces Screen Wire, sUghtly larger than lids of cans 

 above. 



2 Thermometers, Soil or Dairy preferred. 

 20 Test Tubes, 6 x f ", with corks to fit. 



1 Glass Graduate, 100 c.c. 

 20 One-hole Rubber Stoppers to fit test tubes above. 

 20 Glass Tubes, 2" in diameter and 15" long ; or ordinary lamp 

 chimneys may be used. 



5 Racks to hold tubes above. 



10 Wire Baskets, factory- or home-made of screen wire, 6" in 

 diameter and 6" deep. 



6 Books Blue Litmus Paper. 

 6 Books Red Litmus Paper. 



4 Medium Size Alcohol Stoves. 



1 Galvanized Iron Pail with Vertical Sides, capacity 3 gals. 

 6 Granite or Agate Pans, capacity 2 qts. 

 12 Hand Lenses. 

 1 gal. Denatured Alcohol. 

 8 oz. Saturated Iodine Solution. 

 4 lbs. Parafl&n. 



^ Thia list includes enough apparatus for twenty students, working in groups of 

 four. 



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