The bit is 1/8 shank, and I bought it at Lowes. I don't think it is made by Dremel, but it works just fine. The cutting flutes do not go to the end of the bit, but stop about 1/8 from the end. Let's make something.
Sulfur was discovered and known since ancient times. However, it was officially recognized as an element around 1777 by Antoine Lavoisier in France. Apparently, the year and person(s) who discovered sulfur     are unknown to science. We do know it was used up to 2000 years before the birth of Christ by pagan â¦ priests.
History and Uses: Osmium and iridium were discovered at the same time by the British chemist Smithson Tennant in 1803. Osmium and iridium were identified in the black residue remaining after dissolving platinum ore with aqua regia, a mixture of 25% nitric acid (HNO 3) and 75% hydrochloric acid (HCl).smium and iridium were discovered at the same time by the British chemist Smithson Tennant in 1803. Osmium and iridium were identified in the black residue remaining after dissolving platinum ore with aqua regia, a mixture of 25% nitric acid (HNO 3) and 75% hydrochloric acid (HCl).