Plain concrete for farm use, farmers' bulletin no. 1279 (1922)
U. S. Department of Agriculture · U.S. Department of Agriculture · leaf 16
15 cubic yards. A mixer should be purchased only after careful consideration ofthe amount and character of the work to be done and the conditionsaffecting its use. The two types of mixers most used are the batch mixer, whichmixes and dumps a definite quantity, and the continuous, whichdischarges a… … Fig. 7.—Home made concrete mixer. 1591 16 Farmers9 Bulletin 1279. There are numerous types and various sizes of batch mixers. Aone-bag batch machine is most suitable for general work, thoughthere are smaller mixers that may prove handy. Some of thesmallest sizes are operated by hand, but the medium…