Record to something else and sync in post. MiniDisc was popular for years and still is in some circles.
Or a Zoom H1 or H2 which will give you the option of internal mics or external mics using a 3.5mm jack.
Or an H4n if you want more professional, with XLRs. Or equivalent eg: eBay - The UK's Online Marketplace
(or PM RembrantRob on this forum who may well cut a deal with you, if he still ahs one for sale)