David Koudys wrote in message ... (...) Yes, the old ones in several sizes did have the protruding lip - I have several. Also see Gary Istok's "History of Lego Windows" articles: Part 1 (URL) 2 (URL) 3 (2 URLs) tan facade kit, 427 pieces! (URL) TOWN (...) (22 years ago, 21-Jun-02, to lugnet.loc.nl, lugnet.general)
(...) [Snip Gary's links] The German Lego Fan Karl-Heinz ('legofreak') has a really good and very infomative page concerning the classic windows (lots of pictures as examples). (URL) Regards, Ben (22 years ago, 21-Jun-02, to lugnet.loc.nl, lugnet.general)