Vintage 1980's JD Gould Valve Product Price Guide
Catalog Brochure bulletin 500G
maybe you used to work for this company? Maybe you were in the industry and dealt with them. Maybe you just love the topic. Either way - you should buy this!!!!
we got our catalogs from estate sale from a gentleman who was a machinist and tinkerer for all his life.
Please check out my other old tooling parts catalogs - will give a deal on multiples!!