lted inshowing that for the period of six months 77 per cent of thefractures of tires occurred when the temperature was belowzero, 4 per cent at zero, and only 19 per cent at highertemperatures. Fig. l.-GAUGE ROLLEE. manufacture of lumber. The improvements made in saws inthe last few years have… … Fig. 3.-EXTENSI0N OTTIDE. There is probably no machine made by which purchasers arein so great danger of being misled by appearances as in circu-lar sawmills. The chances for deception are numerous; cir-cular saw mills cut so much faster than old fashioned sashor muley mills, that they seem to be…
Patented · Silk · Apparatus · Machine · Ammonia · Manufacture · Scientific American · Patents · Ammonia gas · Strongest nitric · Load water · Feed water · Sewing machine · Nitric acid · Silk culture · Specific gravity · Cast Iron
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