Manufacture of quills for Writing. Practical Receipts. Method of removing the Stains of M trate of Silver or Indelible Ink. Copying Paper. Tracing Paper. To Distinguish Oxalic Acid from Epsom Salt. Rule to Calculate the Horse Power of an Engine. MECHANICAL DIOYEMEN TS. To Discover it Bread Is adulterated with Alum. To Detect Copper in Pickles and Green Tea. The Great Burman Bell. Preserving Pencil Drawings. BY MUNN az COMPANY. Modification of the Windlass., scientific american, 1848-08-19
Manufacture of quills for Writing. Practical Receipts. Method of removing the Stains of M trate of Silver or Indelible Ink. Copying Paper. Tracing Paper. To Distinguish Oxalic Acid from Epsom Salt. Rule to Calculate the Horse Power of an Engine. MECHANICAL DIOYEMEN TS. To Discover it Bread Is adulterated with Alum. To Detect Copper in Pickles and Green Tea. The Great Burman Bell. Preserving Pencil Drawings. BY MUNN az COMPANY. Modification of the Windlass., scientific american, 1848-08-19
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