Reference numberMS/710/32
TitleLetter from John S Enys to Robert Were Fox
Date9 February 1857
DescriptionGives the 'agricultural chemists' opinion on the existence of soluble silica at the junction of greensand and grey chalk and asks Fox's opinion on a geological matter. Discusses the use of magneto-electric machines in metal deposition and other potential applications including the formation of agates and onyx for cameos. With an arrangement sketch of the magneto-electric machine employed in silica deposition.
Access statusOpen
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