IMPROVED DEVICE FOR OILING PULLEYS AND GEARS. 77. Glycerin and Yolk or Eggs. 10 Improvement in Turning and Planing Tools. Improvement in Portable Fences. WILL'S PATENT WORM FENCE Glycerin. COMPOUND BATHS FOR HARDENING STEEL. SHAW'S 'PARAGON' TURNING' TOOL., scientific american, 1868-04-04
IMPROVED DEVICE FOR OILING PULLEYS AND GEARS. 77. Glycerin and Yolk or Eggs. 10 Improvement in Turning and Planing Tools. Improvement in Portable Fences. WILL'S PATENT WORM FENCE Glycerin. COMPOUND BATHS FOR HARDENING STEEL. SHAW'S 'PARAGON' TURNING' TOOL., scientific american, 1868-04-04
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