Technology, Visualization and Interactive Experienceshttps://www.ulrichlehner.com/enhttps://www.ulrichlehner.com/blog/gaggia-classic-restoration/https://www.ulrichlehner.com/blog/gaggia-classic-restoration/Around 50 hours of work took a second-hand Gaggia Classic from a EUR 200 find to the first espresso. What a twenty-year-old machine needed, what it did not, and the one number that saved the reassembly.Mon, 21 Sep 2026 00:00:00 GMTEspressoGaggia ClassicRestorationDIYRepair