Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 48
l than some of the moreexpensive devices. Rotating mixers which contain reflectors or blades. Fig. 10,are usually mounted on a suitable frame by the manufacturers. Therotating of the drum tumbles the material and it is thrown againstthe mixing blades which cut it and throw it from side to side.… … Fig. 8. Operation of Portable GravityMixer. 36 REINFORCED CONCRETE 27 ment of the bkades. This mixer is furnished on skids with drivino-pulley. The concrete is discharged by tilting the drum, which isdone by power. Fig. 12 represents a Ransorae mixer which is a batch mixer.The concrete is…
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