[NUMBER 52. VOLUME Se] cutting the outside of the block is also attach- THE Scientific American, ed to this frame. H is the stock, in which a CIRCULATION 14,000. plane iron is placed for shaping the bottom of … many difficulties, like all original inventors. upon which, to the extent of one-sixth has clayey soils. This excavator can be used in This scraper is the invention of Mr. Joseph After his machine was in operation as a fixed been made. The Midland Company have also Sweet, of Hughesville, Lycoming…
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