Mono Print

The Night Mail goes by helicopter Ar 10 pm last night , and each night for the next month - the night mail from Peterborough to Norwich will leave by helicopter . This is the result of the extensive tests which BEA helicopter test pilots have made with scheduled helicopter flights , and are additional to the daytime tests carried out last summer . The GPO van brings the cargo of dummy mail to the helicopter at Peterborough 22 February 1949