Even the carpentry techniques has been lost to time. It was a challenge to assemble exactly to be historical standards.
What was left of the original cab was brought to the museum to use as a pattern. It was then laid out on the ground in organized piles similar to an archaeologist when trying to reconstruct an ancient artifact. This demonstrated the joinery which was reproduced in the new cab.
An original attempt was made to bend the wood in a steamer but proved ineffective. Making laminated boards in shop proved to be the winner.