‘electron’ historical pictures (exact matches)

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Human hair (Asian origin)
Human hair (Asian origin)
Ivory ornamental spider silk (Poecilotheria subfusca)
Ivory ornamental spider silk (Poecilotheria subfusca)
Modern Times, the Electron Microscope
Modern Times, the Electron Microscope
SEM of Streptococcus pneumoniae colony
SEM of Streptococcus pneumoniae colony
TEM of cardiac muscle
TEM of cardiac muscle