Patterns produced by Charged Conductors on Sensitive Plates

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IN reply to the request of Mr. J. I'Anson for a reference to any former observations on the interesting effects described in your current number, he will find in the B.A. Report for 1888, and more fully in the Philosophical Magazine for December of that year, an account of the phenomenon as observed by the present writer, using cut-out patterns of tinfoil as conductors. This action of electrified conductors in contact with the photographic film was subsequently employed in a refined way by Rev. F. J. Smith, in making very beautiful and interesting prints from electrotype and other printing blocks. His results were shown at a conversazione of the Royal Society on May 10, 1893.

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BROWN, J. Patterns produced by Charged Conductors on Sensitive Plates. Nature 55, 294 (1897) doi:10.1038/055294b0

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