Does Frank seem to encourage Taplow’s comments on Crocker-Harris?

Explanation

Yes, Frank seems to encourage Taplow’s comments on Crocker-Harris. He shows appreciation for Taplow’s imitation of Mr Crocker-Harris and asks him to repeat it. On another occasion, Frank tells Taplow not to keep a good joke (narrated in the style of Mr Crocker Harris) to himself but to tell it to others.