Following the cancellation a seventh series was never put into production.
A third series was put in development as a last attempt at redemption but canceled.
From 1947, a second series of banknotes were designed and put into circulation.
The series has also been put on multiple critics' lists.
A new original series is put on the network every year.
The series was put on hiatus in 2007, but the program is set to resume for the 2008-2009 school year.
This first series was put in service in July 1935.
As a result, the series was put on hold.
And a series can be put together in a hurry.
Construction resumed in 1920 and the full series of 143 engines was put into service by 1922.