Green’s Dictionary of Slang

jack randall n.

also jack randle, jerry randle, johnny randle, ron randell
[rhy. sl.; ult. Jack Randall (1794–1828), a noted pugilist (Hotten 1873)]

a candle.

[UK]Hotten Dict. of Modern Sl. etc. 144: JACK RANDLE (a noted pugilist) a candle.
[UK]Hotten Dict. of Modern Sl. etc. 271: JACK RANDALL (a noted pugilist) a candle.
[UK]D.W. Barrett Life and Work among Navvies 42: ‘Johnny Randle,’ stands for a ‘candle’.
[US]A.J. Pollock Und. Speaks.
[UK]L. Ortzen Down Donkey Row 11: Jerry Randle – Candle.
[UK]Western Dly Press 12 Jan. 2/3: Other popular rhyming slang terms are ‘Jack Randall’ for candle.
[UK]J. Franklyn Dict. of Rhy. Sl.
[Aus]R. Aven-Bray Ridgey-Didge Oz Jack Lang 13: She sits by a flickering Ron Randell in sweet celestial bliss / She sits there with meat pies like pools of hit and miss.