Kaolin (clay pipes), dating them by shapes Feb 7, 2019 19:30:04 GMT -7 paranger likes this Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by straekat on Feb 7, 2019 19:30:04 GMT -7 I'm not a smoker, however, it was very much a part of 18th and 19th century life. This is a quick guide to dating clay pipes by shapes of the bowl and other details.