Fabricated air scoops on Grizzly tanks
 

http://i56.servimg.com/u/f56/16/13/77/97/borden10.jpg

http://i56.servimg.com/u/f56/16/13/77/97/57555710.jpg

hello again,

the question today is about the fabricated air scoops seen on few surviving Grizzly tanks. Was it fabricated by Montreal Locomotive Works or a supplier because there were not enough of the cast type for production, or is it a post-WW2 addition/replacement ?

thanks

Pierre-Olivier