> Unfortunately I cannot remember the wire used, but suspect > it was constantan and something else. I remember there > being a bit of discussion in the item about what wire to use > to maximise the voltage No mention in the article of the wires used in the Russian unit, but says Seebeck himself used bismuth and copper Wonder if there's a market for this type of voltage generation with campers/trampers who use fuel lamps. Probably already been done or is too expensive. Does the Seebeck effect work with just metals or could it work with ceramics ? -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads