Upon his arrival in France in February of 1917, twenty-one-year-old Lieut. Warren Skey purchased a small Au Jour le Jour to record his day-to-day experiences as a gunner, who packed ammunition, load……続きを見る
This is a unique account of the development and operational use of air-to-air flight refuelling since its early beginnings in the USA and the UK to the equipment that is in use today. The author dra……続きを見る
Are science and technology independent of one another? Is technology dependent upon science, and if so, how is it dependent? Is science dependent upon technology, and if so how is it dependent? Or, ……続きを見る
