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Welcome to the radio section. Please be sure to check this section on a regular basis as new products are frequently.

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1200

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. 

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

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

 

 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

 Click on the picture's to enlarge

 

 

 

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

75

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

 

 

 
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

 
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

 

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

 Click on the picture's to enlarge

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

 Click on the picture's to enlarge

Radio Relay Unit (pg4 Rad)

Here we have a Type 102 Relay Unit

This Carries the Reference Number 10F/2312

95

 Click on the picture's to enlarge

Morse Key (pg4 Rad)

Here we have a WW2 Era Morse Key

I Cannot Find any Markings to Distinqiush the Use

35

 Click on the picture's to enlarge

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

 Click on the picture's to enlarge

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

 Click on the picture's to enlarge

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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