A MOISTUEE TESTER FOR GRAIN. 



DESCRIPTION OF THE APPARATUS. 



The apparatus consists of a heating chamber divided into com- 

 partments so that a number of samples can be tested at the same 

 time, a tank for cold water, through which the condenser tubes pass, 

 and a suitable stand for supporting the heating chamber and cold- 

 water tank, together with numerous accessories, such as ther- 

 mometers, distillation flasks, graduated measuring cylinders, etc., all 

 of which are illustrated and described somewhat in detail in the fol- 

 lowing pages, so that no one should have difficulty in setting up the 

 apparatus and in making the tests properly. 



Figure 1 shows an external view of a standard six-compartment 

 moisture tester set up ready for use. Each compartment of the heat- 



FiG. 1. — Six-compartment tester, with wooden rack in foreground. 



ing chamber is numbered and provided with a small mica window, 

 through v/hich the operator can observe the action within the flask 

 while the test is in progress. Figure 2 is a cross section through one 

 of the compartments of the tester, showing the position of the flask 

 and the flask support within the compartment, the adjustment of 

 the thermometer, and the proper connections of the various parts. 



Figures 1 and 2 show testers equipped with burners for using gas 

 as fuel. The form of construction, however, is such that alcoliol or 

 gasoline burners can be used with equally good results, provided the 

 burners give a pointed rather than a spreading flame and the apparatus 

 is modified in no other way. 



[Cir. 72] 



