#OnThisDay in 1947 #TheClock debuted in @dc.com #StarSpangledComics #70 #windingIntoBattle with #Robin when his #criminal intent is captured on #DickGrayson’s #studentFilm & #theVillain #resetsAndReturns #3MoreTimes #overTheNext2Years #testingAndTrappingTheYoungHero in #timeThemedSnares #BillFinger