Oliger 2068 Expansion RGB Circuit Instructions Read the articleSee all articles from Triangle Sinclair Users Group v2 n5, 6, 7Publication: Triangle Sinclair Users GroupPub Details: Triangle Sinclair Users Group v2 n5, 6, 7 (Volume 2, Issue 5/6/7)Date: May, June, July 1984Pages: 31-32 Tags1984 John Oliger Co. TS 2068