Bidspirit auction | Astrograph - a historical Astrograph

Astrograph - a historical Astrograph was in use in the British air force in the second world war 1939-1945 - was attached to a airplain for night vision and navigation.  was on show the air force museum r.a.f in London.  size: length-30 cm  width- 18 cm  height- 14 cm in its original case including 2 rolls of slides