BBC5 年
Mark 3 Martin-Baker Ejection Seat
This ejection seat was invented by James Martin, who was born in Crossgar, Co. Down, in 1893. In 1934 he founded the Martin-Baker aircraft manufacturing company with his friend Captain Valentine ...
BBC2 个月
Mark 3 Martin-Baker Ejection Seat
This ejection seat was invented by James Martin, who was born in Crossgar, Co. Down, in 1893. In 1934 he founded the Martin-Baker aircraft manufacturing company with his friend Captain Valentine ...