On Sep 1, 5:40*pm, Sunworshipper wrote:
...

ELEVATOR TRIM TAB CONTROL – Elevator trimming is accomplished by
means of a tab in each elevator. Each tab is operated by a rod at the
cable drum
assembly mounted in the elevator. A knurled thumb nut on the left side
of the
control stand provides a friction brake to prevent creeping of the tab
control.
...

B-17 cockpit controls:
http://www.blinkx.com/watch-video/a-...rz6fDGiMXZaT4w

I've downloaded only one minute over dialup so far.

jsw