Question

oldest preserved locomotive ,still in working condition​

Answer 1

Puffing Billy is the world's oldest surviving steam locomotive, constructed in 1813–1814 by coal viewer William Hedley, enginewright Jonathan Forster and blacksmith Timothy Hackworth for Christopher Blackett, the owner of Wylam Colliery near Newcastle upon Tyne, in the United Kingdom.

it is train

@# Goutam ray.

##### thanks ####

Answer 2

I don't understand this question