Hi J,
You may want to find the following which are fairly general but give a good background, more a mix of industrial heritage and archeaology, but useful none the less as general readers...
Industrial Archaeology: An Historical Survey by Arthur Raistrick (in fact he's written quite a bit on several related subjects)
Industrial Archaeology: Principles and Practice by Peter Neaverson and Marilyn Palmer (quite practical and uses Bassett stamps as a case study)
I'd also suggest:
BP Book of Industrial Archaeology by Neil Cossons (its a bit general but it does set quite a good datum for the state of the nations industrial heritage circa late 1970's)
I found these quite useful when studying for my MA.
With regard to GIS it may be worth getting a letter of introduction from the university your studying with and approaching the library at CSM
http://www.exeter.ac.uk/cornwall/academic_departments/csm/ (if that not where your already studying!), I'd be suprised if they didn't have something. Likewise I think there may be some useful material at the University of Bradford, it wil be from a more archeaological point of view...
Our library here at the museum may also have some material relatng to GIS, don't quote me on it though as I generally deal with the machinery and equipment side rather than library material, apart from mine plans and engineering drawings which I tend to deal with too...
Darran