AHD - Adrienne Hart-Davis (72)

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rock section thin slice from Switzerland photographed with cross polarising filters 600dpi 1 AHD.jpg ... rock section thin slice from Switzerland photographed with cross polarising filters 600dpi 9 AHD.jpg

Thumbnail	Exhibit Name
	rock section thin slice from Switzerland photographed with cross polarising filters 600dpi 1 AHD.jpg (Natural Science) AHD says: Some years ago I took quite a few of these because I was doing a course at the OU on geology and we were sent some thin sections to look at. [...] The depth of field was a fraction of a mm and so these things, although they look OK when projected on a wall, are not pin sharp. These are 35mm by the way, and approx. life size, that is, the slide is just slightly larger than the specimen.
	rock section thin slice from Switzerland photographed with cross polarising filters 600dpi 10 AHD.jpg (Natural Science)
	rock section thin slice from Switzerland photographed with cross polarising filters 600dpi 11 AHD.jpg (Natural Science)
	rock section thin slice from Switzerland photographed with cross polarising filters 600dpi 12 AHD.jpg (Natural Science)
	rock section thin slice from Switzerland photographed with cross polarising filters 600dpi 13 AHD.jpg (Natural Science)
	rock section thin slice from Switzerland photographed with cross polarising filters 600dpi 14 AHD.jpg (Natural Science)
	rock section thin slice from Switzerland photographed with cross polarising filters 600dpi 15 AHD.jpg (Natural Science)
	rock section thin slice from Switzerland photographed with cross polarising filters 600dpi 2 AHD.jpg (Natural Science)
	rock section thin slice from Switzerland photographed with cross polarising filters 600dpi 3 AHD.jpg (Natural Science)
	rock section thin slice from Switzerland photographed with cross polarising filters 600dpi 4 AHD.jpg (Natural Science)

Feb 10, 2012 You may wish to use the Reload/Refresh button on your browser to ensure that this page is up-to-date.

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