Photomicrograph Collection

Taking thread: Sound-Waves on a Cord 1922
Mr. W F Croll, who holds the parent, of a method of recording and reproducing sound-waves by means of a cellulose thread instead of by the generally known disc or cylinder record

Photomicrograph: Acanthomorph acritarch, microfossil

Cold Bokkeveld meteorite photomicrograph
Thin section of the carbonaceous chondrite in the petrological microscope, showing a near circular chondrule about 1mm in diameter. The fall was in Cape Province in 1838

Pthirus gorillae, gorilla louse
Photomicrograph of a gorilla louse specimen, length 2.5 mm from Rwanda / Zaire. The gorilla louse is from the same genus as the human louse

Gymnosperm, palm & angiosperm
Composite photomicrograph comparing structures visible through a hand-held lens in transverse section of fossil tree trunks: gymnosperm (left), palm (centre) and angiosperm (right)

Granite from Ailsa Craig
A photomicrograph of granite taken between crossed polarisers. Granite is an igneous rock

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