1970’s Stratocaster
Strat central has a lot of good info and dating Stratocasters, so check them out!
Strat Central 70s PageHome Page (60,70, 80s +)Vintage Guitar Specifications
Sorry, there is not “secure” connection to this site but there’s a TON of good info there!
Guitar HQ (Vintage Guitar Specs)FENDER – Product Owner Manuals
Check em out. Fender has started puting a lot of info online about their Stratocasters.
FENDERThere are some great links with lots of details on this so this will a page that will have a lot of references to help you out.