Pobjoy Engine – original logbooks.

I wonder if any forum members would have an original Pobjoy engine logbook in their possession? The logbooks should  contain an Engine Inspection Certificate, and a Duration and Final Test Report. Both documents were required by the AM regulations  for both new and refurbished motors, and one copy should be in the logbook. 

Apart from providing useful information regarding the engines, the documents may also help to understand what appear to be errors in the ARB copies of the Engine Type Certificates (ETC) I managed to find (after many years of looking!). 

I am using the ETC as the best source of information as the Pobjoy manuals contain several errors and lacks some detail I want. Unfortunately, apart from the ‘P’ Type test papers, I’ve never found the reports for the other engines. I doubt they still exist…

Also, still looking for manufactures brochures for the Cataract engines. 

Any assistance with the above. I should add, ALL the usual research sources and many, many more have drawn a blank during my 15 year search. 

Ta much.