8 A UNIT IN AOSIOULTUBS 



B. Apparatus for Soil Studies. 



(Equipment for 20 students.) 



1 pair of balances weighing to grams or quarter ounces. (A 

 four- pound postal scale may be used.) 



"> ^lass tumblers. 



10 wide mouthed 8-ounce bottles. 

 10 pint glass fruit jars. 



5 thermometers. 

 10 student lamp chimneys. 

 10 shallow pans. 



^2 lb. glass tubing (small sizes). 

 *4 lb. glass rods (small sizes). 

 Filter paper. 

 Litmus paper. 

 5 glass or tin funnels. 

 5 small sieves of various meshes. 

 10 six-inch flower pots. 



C. Material for Plant Studies. 



(Equipment for 20 students.) 



10 heavy dinner plates for seed germination. 



10 panes of glass (8x11 inches). 



10 small microscopes. 



Quantity of heavy cotton cloth for use in seed germination. 



10 shallow wooden boxes (12x18x3 inches) for growing cut- 

 tings, etc. 



Apparatus for Babcock milk test (cost $5.00). 



If possible, not less than one-half acre of good land for a school 

 garden and experiment field. (If the school has no such plot, land 

 from a nearby farm may be rented.) 



Apparatus now in the physical, chemical, or biological laboratory 

 need not be duplicated for agriculture. Much of the material can 

 be made by the students or brought from their homes. The entire 

 ]ist should be purchased through a local dealer for about $18.00. 



