Crawley's FX-4 Share on Tumblr Tweet Water 700.0ml Elon 1.5g Phenidone 0.25g Hydroquinone 5.0g Sod. Sulphite 100.0g Borax 2.5g Pot. Bromide 1.0g Water to make 1.0litre Return to Formulae Contents July 2024 Several books, featuring Christopher John Ball's photographs, are now available through Amazon or click on an image below to purchase via secure payments on lulu.com
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