name='Adam01']In answer to your questions...
1) Yes, BBC F&VTL stands for BBC Film and Video Tape Library. Now more commonly known as BBC Information and Archives, based at Windmill Road.
2) 23 episodes of "Meet The Wife" have been junked according to Kaleidoscope. INFAX lists 15 remaining episodes.
3) The time clock won't exist on the master copies. Time clocks and on screen DOGS are put onto viewing copies to deliberately "spoil"them. This is to prevent people from making copies, showing it to a fee paying audience etc. This is common practice in television companies and media archives.