Doubles method ringing crossword

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Across
  1. 3. call that swaps two bells
  2. 4. called when the touch comes round
  3. 7. called unaffected
  4. 10. the treble often does this
  5. 13. St Martin's with places in 3-4
  6. 15. plain bob with places in 3-4
  7. 17. plain bob with grandsire singles
Down
  1. 1. changes in an extent of doubles
  2. 2. christian name of Stedman
  3. 5. doubles version of St Clement's
  4. 6. a method rung with a foreign call
  5. 8. grandsire with places
  6. 9. all the bells ring the same line
  7. 11. the tenor bell does this in doubles
  8. 12. changes in a plain course of grandsire
  9. 14. popular twin hunt doubles method
  10. 16. methods changed within a touch