dy of the saw being allowed attention, but with not very satisfactory results. M. the example shown in the engraving, three blades upon to remain soft. By this method of construction the ex- Buisson’s arrangement consists of one or more steel one side of the hub and one heavy blade or a counter-… … both propellers, so that the only actual difference in Resin, 50 per cent; paraffine, 45 per cent; the two wasin the manner of arranging the blades! silicate of soda, 5 per cent. These ingredi- The new form developed far more power with less num- ents are thoroughly mingled by heating ber of…
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