File:Simple spectroscope.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	01:29, 28 January 2009		2,000 × 3,185 (424 KB)	Timwetherell	{{Information \|Description={{en\|1=A very basic spectroscope made from a slit in cardboard and a prism. Even a simple instrument like this reveals a clear difference in the visible spectrum of an incandescent lamp and an arc discharge based low energy cons

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Date and time of data generation	21:25, 28 November 2007
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File change date and time	12:21, 28 January 2009
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