Knight Optical, the leading supplier of on-spec, metrology-tested optics, is proud to announce that it now offers a new range of high-spec components, Calomel Infrared (IR) Polarisers. In this ...
Although the name is derived from the Greek “calos” meaning “good" and “melas” for “black,” "calomel" -- the name given to mercurous chloride, the most common medicine of the era -- is neither good ...
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MOSLEY has recently suggested 1 that, by liberally dressing onion seed with calomel, control may be obtained not only of onion fly and onion white rot but, possibly, also of the onion eelworm, ...
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