Dive into the intricate world of piano maintenance with the ARTECO Grand Chart, a meticulously detailed service manual from 1921. Perfect for dedicated collectors and handymen, this guide expertly covers regulating the governor, pneumatic spring tensioner, and bass intensity etc. etc.......
 With just 3 pages packed with valuable information and a convenient download size of 45.7MB, it's an essential addition to your restoration toolkit. Enhance your craft with this historical gem, available now in our PDF download store.