Lancaster Maritime Museum - From the stores... This unassuming box holds a surprising amount of history, stretching from the D-Day landings to the development of the GPS. It's a receiver for the
![The Decca system was an American invention but developped in England in WOII and put into use just before D-day in 1944. - Fleaglass The Decca system was an American invention but developped in England in WOII and put into use just before D-day in 1944. - Fleaglass](https://www.fleaglass.com/wp-content/uploads/2020/02/2020-02-22_13-07-00_380274-nm.4-39-1-scaled.jpg)
The Decca system was an American invention but developped in England in WOII and put into use just before D-day in 1944. - Fleaglass
![c1965 Admiralty Decca Navigation Co Astroplot Star Plotter : Parade Antiques Online Shop UK | Plymouth, Devon, All our finest items available to purchase worldwide c1965 Admiralty Decca Navigation Co Astroplot Star Plotter : Parade Antiques Online Shop UK | Plymouth, Devon, All our finest items available to purchase worldwide](https://paradeantiques.co.uk/images/c1965-admiralty-decca-navigation-co-astroplot-01_03.jpg)