single all original antique american late 1860's or early 1870's privy dug light cobalt blue colored glass "blob top' soda or mineral water bottle fabricated by the wiliam mccully glass works of pittsburgh, pa. the chicago privy dug bottle is embossed "w.h.h." "chicago ill". the bottle body is a "gravitating" shape, with long and steep shoulders. the applied oversized blob top collar or lip remains in great condition. the embossed lettering exhibit slight case wear down the center of the bottle. the hexagonal "mug base" is smooth with a single dot in the center. the key and hinge mold lines are evident along the bottom and sides of the base and body. surface wear and crudities consistent with age. great overall condition. several mug style w.h.h. bottles available.