Does anyone have access to an old Baltimaore Air Coil (BAC) selection guide (book) for a VS series cooling tower? I'm trying to recommission a 1974 vintage VST cooling tower and have been unable to track down performance data for it. The factory (so I've been told) scanned their old catalogs, then discarded them; however, the scanned performance charts I've gotten from them are unreadable. Thank you in advance if you could find performance information for a BAC VST-325A (or similar) cooling tower. RE: BAC cooling tower information (Mechanical) 20 Dec 06 23:16. Assuming you get this information you need to also take a suspicious eye at the data.