Abstract
AN electric lamp has recently been proposed for surgical and dental operations.1 Some years ago I designed an instrument for illuminating the dark cavities of the body which would, I think, be very serviceable in connection with an electric lamp.
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References
Engineer, March, 1879.
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STEVENSON, T. Description of an Instrument for Exploring Dark Cavities which are Inaccessible to Direct Light . Nature 21, 14 (1879). https://doi.org/10.1038/021014a0
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DOI: https://doi.org/10.1038/021014a0