APPARATUS AND MATERIAL 



MINIMUM LIST OF APPARATUS AND MATERIAL FOR HIGH 

 SCHOOL AGRICULTURE 



Recommended by the Department of Public Instruction 

 State of Iowa, 1915, for a Class of Ten Pupils 



The following apparatus will serve a class of 10 pupils. 

 It should be ordered in advance. 

 1 laboratory table for class room, 6 x 3 ft., or larger. 

 1 case for storing apparatus (may be made to order at slight 



expense, if necessary). 

 1 Harvard trip scale. 



1 set brass weights, in block, 1 g. to 500 g. 

 1 set iron weights, J oz. to 2 Ib. 



1 set fractional weights, German silver, 1 mg. to 500 mg. 

 1 spring balance, 25 lb., J Ib. divisions. 



1 set five soil sieves, wood frame, 20-40-60-80-100. 



2 thermometers, chemical, 10 degrees to 110 degrees, C. and 



F., engraved stem. 



1 Babcock milk tester, 8 bottles complete. 

 Extra equipment for same : 



4 milk bottles, 2 cream bottles (50%), 2 skim milk 



bottles (1-100). 



4 acid measures, 4 pipettes (combined) 4 brushes. 

 1 lactometer (Quevenne's combined with thermometer). 

 1 hydrometer jar, 15 x 2 in. 

 1 soil auger, 40 x 1^ in. 



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