I suspect, however, that much of it left upon his mind no recallable impressions.
1650s, "act of recalling to mind," from recall (v.). In U.S. politics, "removal of an elected official," 1902.
recall re·call (rĭ-kôl')
v. re·called, re·call·ing, re·calls
To remember; recollect. n. (rē'kôl')
The ability to remember information or experiences.