Re: Indonesian oil-fired industrial tank loco
Top of the firebox in front of the cab was the usual spot.
I think you have a patient search through the relevant pages of Rob Dickinson’s International Steam site, you will probably find some more examples of what you are looking for. Here might be a good place to start http://www.internationalsteam.co.uk/sweetdreams/index.htm
If you email me off list, I can put you in contact with the gentleman you mention.