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Show Use for Old Paving Blocks. A great deal of wood block is made use of in the paving of the streets of London, and the machine has been recently re-cently built by which these blocks are renovated after having been taken up from the street after a period of usefulness. use-fulness. Heretofore these blocks have been discarded after removal, but now they are separated and placed in the machine, where an adjustment saw removes Just as much of the block as is necessary to give It a smooth and even surface for relaying. Of course, the blocks are somewhat thinner and lighter, but they are available avail-able for many years of wear If placed where the traffic Is not so heavy. |