"first prototype" - related articles and key terms

Related terms: second prototype   air ministry

Wikipedia sources: Mil Mi-12   Vickers Valiant   Messerschmitt Me 264   Eurocopter Dauphin   NAL Saras   XF-91 Thunderceptor   Avro Manchester   Bede BD-10   Beechcraft Super King Air   Clock of the Long Now


Context for words: first   prototype