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At the end of December 1868
'The village barber'
Pupil of Christ's Hospital
Whitechapel
Pumice and dust of Krakatoa mb-width 3495 At the end of DecemberSections of Krakatoa pumice and volcanic dust at x50 and x250 magnifications. Krakatoa, the island in the Sunda Strait, Indonesia, erupted in catastrophic explosions on 27 August 1883. Figure 1. Sections of pumice from earlier period of the eruption (May 1883) at x50 magnification. Figure 2. Cross section of the same pumice x50 magnification. Figure 3. Common pumice of Krakatoa x50 magnification. Figure 4. Section of artificial pumice at x50
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