Diameter. Depth.
_Inches._ _Inches._
15 24
18 36
24 36
]
[Illustration: Home-made grease trap. Concrete or well-plastered brick
work; elbow, cross and increaser to be recessed drainage fittings.]
[Illustration: Type of grease trap used at U. S. Army camps.]
Fig. 35.--Three types of grease trap.