PLUMBAGO or Graphite Preparation PLUMBAGO (from Lat. plumbum, lead), a name frequently applied to graphite, “Miniran” in sinhala Languge. When Chemistry was in its early days and the graphite was thought to be a form of lead. Because of this, it was called “plumbago” (Latin for “acts like lead”). The black core of pencils is […]
The black smith using a Mina Haammer or bellows to heat the flame. The steel could either be a piece of steel or a carbon steel ingot produced in a furnace located at the Balangoda edge of the southern escarpment using the south west monsoon winds to raise the heat to produce carbon steel. Bingham who wrote a paper to the Institute of Engineers compared the Kandyan sword and the Wilkingson sword. He concluded that the Kandyan sword was far superior.