"Albert White" ha scritto nel messaggio
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Hi,

Does anyone here know of a reasonably priced supplier of diffraction
gratings suitable for webcam spectroscopy?


Don't remember if I've already given this URL:
http://www.webalice.it/paolagianluca...7/itpro7e.html

maybe 7500 lines/mm are too much for your aims.

Clear skies,

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Beta Persei
45° 35' N
08° 51' E

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