1d. Theorem I talk up captivates old bishop (7)
3a. Roman bath that is as usual heaving, without question (5,5)
17a. Fertiliser's black I spread. (8)
14a. European who's raced ending with gold. (8)
16d. Sort of acid scale descending to one hundred(8)
Thanks
Yes, it was difficult this week. If you did have any letters why did you not include them in your questions? Those without the crossword can enjoy solving and helping. It is also nice to see some evidence of self-effort!