By: Peter - 21st October 2015 at 22:36
The odd one pops up on ebay from time to time….
By: Whitley_Project - 21st October 2015 at 22:14
Maybe they are plentiful in Canada Peter – I can’t remember seeing an Air Ministry one anywhere. If someone has one spare, please let me know!
By: Peter - 21st October 2015 at 15:01
Seriously Elliot?!!? 🙂
By: Whitley_Project - 21st October 2015 at 13:35
Thanks guys
By: smirky - 21st October 2015 at 13:27
https://www.flightglobal.com/FlightPDFArchive/1943/1943%20-%202374.PDF
By: austernj673 - 21st October 2015 at 13:19
It’s an Astrograph that is used to shine a star chart onto the top of the Navigators table.