On Tue, 28 Jul 2009 15:06:15 +0100, Clive
wrote:

In message , Tony Dragon
writes
God, your making me feel my age, I can remember the 'Q' stock on the
District,
So can I. I can also remember tube stock where the first half of the
driving car was taken up with equipment which went under floor in 38
stock, but I can't remember what they were called.

Standard stock.In various batches from 1923 onwards, known by the
year. Organised as a single fleet because they were compatible with
each other. Hence "Standard".

Apart from the equipment taking up space in the motor cars they were
distinctive because of their low clerestory roofs with scoop
ventilators.

The first electric stock on the Isle of White was fromrd of these,
called 4-VEC and 3-TIS units.

http://www.semgonline.com/gallery/class485_486_01.html