In addition to my Gilbert chemistry set that used to produce mostly un-cleanable test tubes and gelatinous precipitates, I used to follow the recipes in 'Rocket Manual for Amateurs' - a book my mother would have banned if given the chance! Did anyone else on the list use this great book? -Jay- -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list.