11. By late Wednesday, letter air mail service was restored statewide, said Postal Service spokesman David Mazer. 12. Two months later, in June 1925, regular air mail service between Toulouse, Casablanca and Dakar was established. 13. The binding Official Secrets clause was repealed, privatisation followed, and profitability indexation restored to Air Mail services . 14. The covers were then backstamped and returned to their senders as promotion of the Air Mail Service . 15. An air mail service was inaugurated in August 1934 by Railway Air Services, but ceased in late September. 16. Also in the same year, the airport expanded its air mail service to include Prince Edward Island and Montreal. 17. Regular Air Mail service began in 1918 and over the years rates varied considerably depending on distance and technology. 18. The "'Aeromarine AM-1 "'was a biplane built to pursue a US Air Mail Service requirement for a nighttime transport. 19. Developed in the aftermath of World War I, air mail service owed much to the bravery of its earliest pilots. 20. Nevill Vintcent and J . R . D . Tata together pioneered the air mail service from London to the sub-continent.
