Metallurgy of Gold and Platinum among the Pre-Columbian Indians

@article{Bergse1936MetallurgyOG,
  title={Metallurgy of Gold and Platinum among the Pre-Columbian Indians},
  author={Paul Bergs{\o}e},
  journal={Nature},
  year={1936},
  volume={137},
  pages={29-29}
}
WILLIAMS CURTIS FARABEE1 refers to some finds of gold and platinum objects which come from La Tolita, Esmeraldas, Ecuador. During the washing process, in addition to the natural gold and platinum, a quantity of quite small gold objects were obtained, which bear witness to the surprising skill of the Indians, who used gold not only for ornaments, but also for many useful objects, which in the form of fishing-hooks, sewing needles, safety-pins, hooks and eyes demonstrate the existence of a true… Expand
2 Citations
The Contribution of Transmission Electron Microscopy (TEM) to Understanding Pre‐Columbian Goldwork Technology
This paper highlights the contribution of transmission electron microscopy (TEM) when combined with scanning electron microscopy and energy-dispersive X-ray microanalysis (SEM/XEDS) to characterizeExpand
KINETICS AND MECHANISMS OF THE THERMAL DECOMPOSITION OF PROPIONALDEHYDE: PART II. THE REACTION IN THE PRESENCE OF NITRIC OXIDE
The decomposition of propionaldehyde in the presence of various amounts of nitric oxide has been studied in the temperature range 520–560 °C and at propionaldehyde pressures from 30 to 300 mm Hg. TheExpand