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Click on the
pictures to enlarge.
£1200
This peace is
large and heavy overseas buyers please contact me for a
shipping quote
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Gee set Type 62A (page 4 radio)
Click on the
picture to enlarge.
Here we have a Wartime MK II Gee set in
good original condition and as far as I can tell complete ,
please look at the pictures and enlarge them.
A/M 10Q/37
GEE was a navigation system for aircraft that was
evolved by British scientists to meet the needs of the Royal
Air Force during World War II, at a time when both Bomber
and Coastal Commands faced serious navigational problems.
The system subsequently remained
in service until 1970.
Seen in situ in a Lancaster
bomber
Accurate navigation by day and night under conditions of
radio and radar silence in indifferent weather, by unlimited
numbers of aircraft flying under conditions where tactical
considerations prevented straight and level flying, called
for a position fixing aid which could be operated quickly
and simply.
GEE became operational about the time that the thousand
bomber raids commenced in 1942, and when the battle of the
Bay of Biscay was reaching its maximum.
It was the first
serious attempt to provide the navigator with a rapid means
of determination of position, and seldom has any one
invention so faithfully and quickly satisfied the
requirements for which it was developed.
The principle of operation was the measurement of the time
difference between the reception of pulses from ground
transmitters (working in pairs), measured on a cathode ray
tube display in the aircraft. Two or more Slave ground
stations, working with a common Master station, constituted
a complete Gee Chain.
The time difference between signals from two pairs
of stations were measured simultaneously.
When the readings were referred to pre computed lines on
a special chart, the two simultaneous position lines
obtained combined to give a position fix for the navigator.
To secure a position line, an aircraft had to be within
range of two transmitters, and to secure a position fix,
within range of three stations, ie., a common Master and two
Slaves.
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Click on the
picture's to enlarge.
Click on the
picture's to enlarge.
Out of stock more wanted
contact me |
Gee Set Type 62 2 (page 4 radio)
Here we have a Wartime MK II Gee set in
original condition compared to the peace above its clearly
missing internal parts but is unusual in that it has its
original wooden transit case , this identifies it as having
once been a RAF Marham in Norfolk.
During
the Second
World War, RAF
Marham was
a bomber station operating a variety of aircraft including
Wellingtons, Stirlings and Mosquitos.
It
was home to No 2 Group Bomber Command (1942 - 1943) and 8
Group Pathfinder Force (1943 - 1944). In April 1944, the
station closed in order to install concrete runways.
A/M 10Q/38
GEE was a navigation system for aircraft that was
evolved by British scientists to meet the needs of the Royal
Air Force during World War II, at a time when both Bomber
and Coastal Commands faced serious navigational problems.
The system subsequently remained
in service until 1970.
Seen in situ in a Lancaster
bomber
Click on the
picture left to enlarge this is the unit you will receive.
Accurate navigation by day and night under conditions of
radio and radar silence in indifferent weather, by unlimited
numbers of aircraft flying under conditions where tactical
considerations prevented straight and level flying, called
for a position fixing aid which could be operated quickly
and simply.
GEE became operational about the time that the thousand
bomber raids commenced in 1942, and when the battle of the
Bay of Biscay was reaching its maximum.
It was the first
serious attempt to provide the navigator with a rapid means
of determination of position, and seldom has any one
invention so faithfully and quickly satisfied the
requirements for which it was developed.
The principle of operation was the measurement of the time
difference between the reception of pulses from ground
transmitters (working in pairs), measured on a cathode ray
tube display in the aircraft. Two or more Slave ground
stations, working with a common Master station, constituted
a complete Gee Chain.
The time difference between signals from two pairs
of stations were measured simultaneously.
When the readings were referred to pre computed lines on
a special chart, the two simultaneous position lines
obtained combined to give a position fix for the navigator.
To secure a position line, an aircraft had to be within
range of two transmitters, and to secure a position fix,
within range of three stations, ie., a common Master and two
Slaves.
Click on the
picture's to enlarge.
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Click on the
picture's to enlarge.
Click on the
picture's to enlarge.
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RAF Ground position indicator MK I (pg 4 radio )
This is a ground position
indicator MK I in nice original condition as fitted to
many of the RAF's heavy Bombers including the Lancaster.
   
This does what it
says on the box
it is an instrument that determines and
displays automatically the DR (dead reckoning) position of
an aircraft. It gets its data from an ASI (air speed
indicator) and a compass.
Seen in situ
in a Lancaster above right.
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Radar/Radio power unit (pg 4 radio )
Here we have a power unit. This
has the AM Ref: 10 KB/1449
10KB shows
this to be a radio/radar power unit transformer.
Click on the
picture to enlarge.
£175
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R/T control unit Type 289 (pg4 radio)
This box rattles so the contents
are damaged for display only.
Click on the
pictures to enlarge them
£55
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Click on the
picture to enlarge |
Type 192 plug-board
(page 4 radio)
Type 192 plug-board which interfaces with the A1134
interphone amplifier
Out of stock
more wanted
contact me
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Click on the
picture's to enlarge
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Signal Corps radio control box Bc-450-A (pg4 Rad)
US made radio control box that controlled the
BC 453, 454 and 455 Receivers
This Was Used in the B-24 Liberator as well as
other USAFF Aircraft
One of these Knobs are Missing as seen as the
photo
Out of stock
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Lancaster Beam approach Switch (pg4 Rad)
An early
brass beam approach control switch as fitted in Lancaster's
and other heavy RAF Bombers.
Beam Approach Beacon
System (or BABS) is an
automatic RADAR landing system developed in the early 1940s.
It is a responder
(or transponder) mounted in a Hillman and placed at the end
of the runway.
It was interrogated by Rebecca mounted
in an aircraft. It responded by transmitting dots on one
side of the runway and dashes on the other.
The strength of
the reception in the aircraft's depended on the aircraft's
position relative to the centre line of the runway. The
aircraft's equipment could then determine its position
relative to these dots and dashes.
£75
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Glass areal insulator (pg4 Rad) Pictured here are two glass
insulators used in wartime aircraft to insulate aerials.
They are stored like this and the price is for each
individual glass.
£55 each
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Type 44 Radio
Switch (pg4 Rad)
Here we
have a Generator Running Radio Switch
This has
the Air Ministry Ref
No: 10F/7493
Type 44
This
Switch is in Made of Bakelite and is in Mint Condition
£125
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Click Here to see this in
the Instruments Section |
Lancaster Air Position
Indicator
(pg1 instruments)
Here we have
an Air Position Indicator as used by the Navigators of
Lancaster Bombers
Mk 1.B
Reference 6B/458
The Air
Position Indicator (API), is an electromechanical device
that combined the
input from the Air Mileage unit, which gave the true
airspeed, and the heading being flown from the
Distant Reading Compass (DRC – a gyro-magnetic compass that
also had a manually input correction for magnetic variation)
to displayed the air position (i.e. the position of the
aircraft assuming no wind),
displayed as a latitude and longitude, based on a starting
position set at the beginning of the flight
Seen in
Situ Below
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Click on the
picture's to enlarge
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C-56/APX-2 Operators
Control Unit (pg4
Rad)
Here we have a Operator's Control Unit C-56/APX-2
It
is a component of Aircraft
Interrogator-Responsor-Transponder AN/APX-2.
The AN/APX-2 is an American Mk.III IFF transponder and
Interrogator-Responsor
This was Used on USN Aircraft Such as the TBM Avenger
£145
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Click on the
picture's to enlarge
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Radio Relay Unit (pg4
Rad)
Here we have a Type 102 Relay Unit
This Carries the Reference Number 10F/2312
£95
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Click on the
picture's to enlarge
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Morse Key (pg4
Rad)
Here we have a WW2 Era Morse Key
I Cannot Find any Markings to Distinqiush the Use
£35
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Click on the
picture's to enlarge
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Barry Radio Anti Vibration
Mount (pg4
Rad)
Here we have an Anti-Vibration Radio Mount
Manufactured by Barry Wright Corp
Part
Number GB-770-1G
£25
we have three available
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Click on the
picture's to enlarge
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Radio/Radar Indicating Unit (pg4
Rad)
Here we have an Indicating Unit
This
Carries the Reference Number 10Q/28
It has 3
Different Coloured Lights Amber, Red and Green
£65
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Click on the
picture's to enlarge
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Air Ministry Radio
Strain Insulator (pg4
Rad)
Here we have a Rare Glass Insulator Strain made by the
British Heat Resisting Company at their phoenix Glass works
for the Air Ministry During WW2
It is the Dog Bone Design and Carries the Air Ministry Stamp
This
Carries the Air Ministry Reference Number 10A/7652
It is
Also Marked Phoenix British Made
£150
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