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Home > Classifieds > Astromart Classifieds > Misc & Other Astronomy > Classified #261288

For Sale: Two Ruled Diffraction Gratings for Spectrohelioscope

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For sale: two (2) Ruled Diffraction Gratings for Spectrohelioscope.

From Edmund Scientific #42286, currently discontinued. I believe it’s 1200 grooves/mm for 400 nm wavelength. Size 50x50mm (approx 2x2 inch). AlMgF2 coated.

Asking $80.00 for both, shipped via Priority Mail in CONUS. I accept PayPal (please add $3.00 for PayPal, USPS Money Order, or Cashier's Check). Shipped next day upon reception of payment.

I bought them a while ago as surplus from Edmund Scientific at much higher cost. They do have some surface imperfections, mainly scratches, but they work OK. Perfect for home made spectrohelioscope or other exciting science projects.

It is almost impossible to obtain good photograph of the surfaces (I tried two digital cameras with no good results). The best are included here.

Thank you for looking.



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