Hi, On 05/11/15 22:54, Rimmer deVries wrote: > The 50watt screw in model fried the leaves. Possibly an infra-red non-contact digital thermometer is the thing. (low cost, commonly available, useful for checking car brake temperatures and thermogenic bulbs [1]) [1] http://pacificbulbsociety.org/pbswiki/index.php/… -- David Pilling http://www.davidpilling.com/