PA7/509
PA7/5l0
PA7/511
PA7/5l2
PA7/5l3
PA7/5l4
PA7/5l5
PA7/5l6
PA7/5l7
- 247 -
PA7
483mm x l33mm panel. 1970. WITHDRAWN.
Quartz Delay Panel, 66.3~s and l32.6~s, first used in main
store of C06/507. 483mm x l33mm panel. 1970. WITHDRAWN.
Quartz Delay Panel, 198.9~s, first used in main store of
C06/507. 483mm x l33mm panel. 1970. WITHDRAWN.
Quartz Delay Panel, 397.9~s,
C06/507. 483mm x l33mm panel.
first used in main store of
1970. WITHDRAWN.
Quartz Delay Panel, 795.9~s, first used in main store of
C06/507. 483mm x l33mm panel. 1970. WITHDRAWN.
Quartz Delay Panel, l658.3~s, first used in main store of
C06/507. 483mm x l33mm panel. 1970. WITHDRAWN.
Quartz Delay Panel, l6.5~s and 33.l~s, first used in
timing corrector of C06/507. 483mm x l33mm panel. 1970.
WITHDRAWN.
Quartz Delay Panel, 33l6.6~s, first used in main store of
C06/507. 483mm x l33mm panel but chassis slightly wider
than standard. 1970. WITHDRAWN.
Quartz Delay Line, 46~s-66~s, first used for field delay
servo in C06/507. Contains 5 delay lines giving delays of
46~s, 48~s, 50~s, 52~s and 66~s. 483mm x l33mm panel.
1970. WITHDRAWN .
Sub-carrier Delay Panel used on BAll/50lB. Contains 12
NE4/5l2A and "burst" on/off switch. 483mm x l33mm. 1970.
WITHDRAWN.
==========================================================================
PA7 Sub Group not available for new designs DD 1977.
PA8/l,2,3
PA8/4,5
PA8/6
PA8/7
PA8/9A
PA8/9B
PA8 DESK PANELS
Used on DK3/l at Bush House. 1956/57. OBSOLESCENT.
Used on DK4/l at Bush House. 1956/57. OBSOLESCENT.
Used on broadcaster's desk
Rowridge R4 transmitter to
OBSOLESCENT.
at Southampton for switching
local area broadcasts. 1957.
Source Selection Panel designed for Control Room Desks.
1957. OBSOLESCENT.
Source/Route Selection Panel used on DK3/2, DK3/3. 1957.
OBSOLESCENT.
Source/Route Selection Panel. OBSOLETE.

47