The Chinch Bug and Its Control. 19 
Other items of equipment incidental to spraying are a strainer with 
the gauze in a more or less vertical position, a pair of scales for weigh- 
ing, a 1-gallon measure, and several good, clean barrels, and metal 
Fig. 9.—HEfficient type of in- Tig. 10.—Dasher removed from 
secticide mixer. insecticide mixer. 
drums or grain cans for storage purposes. A strainer with fine wire 
gauze set in as a cone is a very satisfactory type of strainer. 
The insecticides required will be lubricating oil, soap, and nicotine 
sulphate. If the modified formula is used the nicotine sulphate may 
Fig, 11.—Large insecticide mixer connected to gasoline engine by means of belts and 
pulleys. 
