Still ploughing throught the clues. Felt very pleased with my solving of 32 down and 39 across. But the clashing letter is not going to make a real word (at least in English).
Perhaps the preamble is clearer when I have solved more, but I do find it difficult. I am assuming that 6 dn is the axis of symmetry i.e. the centre of the figure. Hmmmm
I bought an electronic dictionary c 20/12 ago. I was just starting cryptics and the constant flicking of pages made my wrist tendonitis flare up. I ended up with a seiko ER9000. It hasn't got Chambers, but the search/solving facilities are excellent (although the anagram solver needs all letters and wont work with a wild card). The ODE, ODQ, thesaurus, encyclopaedia are useful. The spellchecker covers a huge range of words, even ones not in the ODE. There are also dictionaries of slang and abbreviations, as well as Fowlers. It is not cheap, but it is built well - and has lasted in my hands.
http://www.amazon.co....qid=1285503314&sr=8-3
I have yet to find Chambers as an electronic aid - and would be pleased to hear if anyone has seen one. Chambers is on my computer, but it is not problem free, and of course it is not that portable.