n some of them removed ; and those at present laid are much better than the first ones. We berewith give illustrations of a new claimant to public favor in this field, being an improvement on the Ballard pave- ment illustrated and described in our issue of April 23d of the present year, and which… … IMPROVED BALLARD PAVEMENT. wedge-shaped or key filling, ete. Pateuts have been applied the inventor is confident reaches the highest point of excel- The fecal matters are covered with earth by turning the lence ata much lower price than any other pavement now .in gland and other foreign countries.…
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