Abstract
MAY I express my interest in your recent correspondence on quartz spiral springs (NATURE, June 20, p. 943, and July 4, p. 14), and suggest a convenient laboratory method for the production of springs of extreme sensitivity. I refer to the use of fibres the diameter of which is 10-3 cm. or so.
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DRANE, H. Spiral Springs of Quartz. Nature 116, 315 (1925). https://doi.org/10.1038/116315a0
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DOI: https://doi.org/10.1038/116315a0