Wal Jack had an extensive range of correspondents throughout Australia and the world who often prepared extensive notes and records for him. This letter from Carl Hewett of Lubbock Texas, USA, dated 15/2/1956 discusses railroad operations in the USA, stations and general railroad matters.Demonstrates some of the correspondence that Wal Jack received from around the world and that of Carl HewittLetter on light blue pre-printed Air letter of Aerogramme - light weight paper, postage prepaid with an image of a aeroplane in the stamp area.letters, wal jack, air mail, aerogrammes, carl hewitt, usa