Neonatal jaundice icterometer, a piece of transparent plastic painted in five transverse strips of graded yellow lines, is not recommended. This is hand held, portable and rechargeable but expensive. When pressure is applied to the photoprobe, a xenon tube generates a strobe light, and this light passes through the subcutaneous tissue. The reflected light returns through the second fiber optic bundle to the spectrophotometric module. The intensity of the yellow color in this light, after correcting for the hemoglobin, is measured and instantly displayed in arbitrary units. Any of the following features suggests pathological jaundice: The signs which help detect pathological jaundice
Hand-colouring of photographs certainly impractical and dangerous. Hand-colouring remained the easiest and most effective method to produce full-colour photographic images until the mid-20th century when American Kodak introduced Kodachrome colour film. Though the hand-colouring of photographs was introduced in Europe, the technique gained considerable popularity in Japan, where the practice became a respected and refined art form beginning in the 1860s. It is possible that photographer Charles Parker and his artist partner William Parke Andrew were the first to produce such works in Japan, but the first to consistently employ hand-colouring in the country were the photographer Felice Beato and his partner, "The