Miracle concrete: the great modern industry (1909)
Miracle Pressed Stone Co. · Miracle Pressed Stone Co. · leaf 120
nveyor, thus insuring that the con-veyors will be evenly full at all times. The feedmechanism can be started or stopped independent ofthe mixing device in the trough below. When the mixer is mounted on trucks, and an en-gine is used, we furnish a friction clutch, which insuresperfect safety to the…
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