Henry Ernest Dudeney/Puzzles and Curious Problems/57 - The Broken Clock Face/Historical Note

== Historical Note on by : $57$ - The Broken Clock Face == points out, in his $1968$ repackaging, that there are a total of $13$ possible solutions here.

They are all listed in his columns in for May and June $1966$, reprinted in his $1975$ collection.

He also notes that the solution given in the first edition of was inferior, requiring that the $\text {IX}$ be viewed upside down and interpreted as $\text {XI}$