The Bowery - Yahoo Clubs - Chat about the Bowery Boys comedies. This is a new newsgroup/chat room where you can discuss the Bowery Boys, Dead End Kids and Eastside Kids! A Bowery Boys Website has a nice overview of all the series. Leo Gorcey Jr.'s website where you can get info on his book about him and his father: Me and the Dead End Kid.
Collodion is a flammable, syrupy solution of pyroxylin (a.k.a. nitrocellulose, cellulose nitrate, flash paper, and gun cotton) in ether and alcohol. There are two basic types: flexible; non-flexible. The flexible type is often used as a surgical dressing or to hold dressings in place.
Similarly, what about coquina...a rock made entirely of seashells? Shells are made of mineral matter, but they aren't minerals any more than teeth are. Finally, we have the exception of obsidian. Obsidian is a rock glass, in which little or none of its material has gathered into crystals. It is an undifferentiated mass of geological material, rather like slag but not as colorful.