X-ray spectrometer, 1912.
3 0 c m
actual image size: 32cm x 22cm

X-ray spectrometer, 1912.

Science Museum Photo Studio

© Science Museum / Science & Society Picture Library


The first X-ray spectrometer designed by Sir William Lawrence Bragg (1890-1971), a physicist at Cambridge University. He was the first to show in 1921 that molecular structure could be deduced from the pattern of diffraction of X-rays by a crystal sample. Bragg and his father Sir William Henry Bragg (1862-1942), founded X-ray crystallography.



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