Source for Rubylith?
Using SkySafari 5 Pro on my tablet, looking for a piece of Rubylith, 200mm x 135mm.
On ebay, they are asking $9 for a single 11" x 14" sheet, and $35 for postage from the USA!
Does anyone have an Australian source for this?
Is there an alternative that will do the job?
Thanks
Chris
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