Concrete machinery : Triumph, Wizard and Knox block machines . Operation. To release the finished block the entire flask is turned over, the core withdrawnby pulling straight up, and the latches on end doors are released and the flaskopened and turned back, which leaves the block entirely free, ready to be carriedaway on its pallet. To prepare the flask for the next block, simply insert anotherpallet, raise front wall to position and lock the latches. Designs. due filling of the moldmakes one half block and twoQuarter blocks.

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectconcret, bookyear1915