From The Stargate Omnipedia
Palm-sized, triangular tablet of with multiple symbols on each "screen." With a page turning device the tablet can change "pages" by a wave of the device, making the text of the previous page vanish and then generate new text.
Brief Candle - Dr. Jackson discovers one of Pellos' ancient Goa'uld tablets containing his notes regarding the actions he took on the local population and their DNA.
Legacy - Jackson discovers another Goa'uld tablet, formerly used by the Linvers.