LNER A4 4498 Sir Nigel GresleySalisbury Station Salisbury Station

Waiting to take the 'Blackmore Vale Express' back to London (Waterloo) from Salisbury, Wiltshire, is 4-6-2 class A4 number 4498 'Sir Nigel Gresley'.
Vaughan.

or 2-3-1? Is not considered to be the wheels and axle.

Hi Alexandr,
Not according to the Whyte system - see link below.
http://en.wikipedia.org/wiki/Whyte_notation
Vaughan.

I knew you and I are talking right!
In various countries, in different methods years write of axial formulas differed significantly. The most widely used six ways.
You're talking about the American method.
I'm talking about the Russian method.
The two methods right!

I knew we both could not be wrong, Alexandr, and it helps (as the French would say), with the "Entante Cordiale".
Regards to you my friend,
Vaughan.