1819 2 July 106 The potato riddles are great facilities, to save time and manual labour.
1844 H. Stephens III. 1125 The potato-riddle is made of wire.
1942 105 97 What taxation is involved, for example, by the device of the potato riddle.
2003 14 Mar. 61/6 2 Cooch Potato Riddles. Old but in working order. £100 the pair.