William Bragg's spectrometer (Royal Institution collection)
= William Bragg's spectrometer (Royal Institution collection)
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Institutional museum record from the Royal Institution, crediting <William Henry Bragg> with designing and making the spectrometer. The object date, 1912, is distinct from the undated web record.
Collection record: https://www.rigb.org/explore-science/explore/collection/william-braggs-spectrometer