1864 – present
Washburn first starting making guitars in 1883 in Chicago Illinois. Washburn’s electric guitar history began in 1978. [ Source:Adirondack Guitar ]
Washburn guitar dating and serial numbers
Washburn reference books
Washburn catalogs and pricelists
Washburn catalogs 1990 forward are now all available at Washburn web.
Image of Washburn headstock, mid 90s courtesy of Chris Rice, Rice Custom Guitars
Image of centre strip logo – 1980s eBay: