This article was originally published with the title “Melting Point and Transformation of Sulphur” in Scientific American Magazine Vol. 9 No. 42 (July 1854), p. 334 doi:10.1038 ...

An efficient technique for filtering the errors affecting the NF data in the NF-FF transformation with plane-polar scanning is developed in this work. It is based on the nonredundant NF-FF ...