Holdsworth was a worthy name and manufactured good bicycles. I have owned several Holdsworth "Equip" models and liked every one of them.
Your bicycle has collectible value and will offer a great ride, once built up properly. And do take the time to tune the bike up well. A road bicycle must be well maintained and tuned to impart a quality ride. Wobbling wheels, slow shifts and brakes that do not brake are not acceptable if ride quality is the goal.
Since you are new to this endeavor, I invite you to visit a website designed for people who are new to the notion of fixing up and riding a vintage road bicycle. The site is
MY "TEN SPEEDS" and will take some doing to wade through. Pay attention to Bicycle Basics if you choose to investigate.