This might also be of interest - before ROF Bishopton, the southern part of the site was called Georgetown - it was a WWI filling factory, also called the Scottish Filling Factory (SFF). Very little remains, but I found a book of the staff magazine, and I've also mapped the factory.
Map available here:
http://www.catchingphotons.co.uk/Georgetown_SFF.kmz
Map available here:
http://www.catchingphotons.co.uk/Georgetown_SFF.kmz