COLORADO EXPERIMENT STATION 
27 
Water bath 
The best style of bottle is known as the “Standard Cream,” since 
it is recommended by the Dairy Instructors Association and the U. S. 
Bureau of Standards. It is 6.5 inches high and has scale graduation tn 
.5 per cent. 
17. A dairy thermometer floats upright, being weighted on lower 
end, and generally reads 32 degrees F. up. 
18. A mineral washing powder is the only effective cleaner for 
station work. Soap will not do the work required. 
19. A waste jar provided with a wood cover bored full of %- 
inch holes is the most convenient method of disposing of the test when 
Bottle brush Can brush 
finished. The test bottles may be inverted by inserting the necks of the 
bottles in holes and left to drain. The jar should be of earthenware 
because the sulphuric acid will eat up or destroy all metals and enamels. 
LICENSES, EXAMINATIONS AND INSPECTIONS. 
(Procedure of the State Dairy Commission, Fort Collins. Copies 
of the state dairy laws may he obtained from the Commission.) 
In section 9 of the Colorado Dairy Laws provision is made requir¬ 
ing that any person desiring to sample or test milk, cream, or other 
dairy products for the purpose of determining the value of such pro¬ 
ducts when bought and sold, must hold a license granted by the state 
dairy commissioner. 
All newly employed operators, whether samplers or testers, must 
have their applications in to the state dairy commissioner’s office 
