The Plymouth Historical Society will participate in Connecticut’s statewide Open House Day for historic and cultural attractions. The Society’s Alley House Museum at 572 Main Street will have special exhibits on display. Listen to the whistle of the restored 1852 steam engine, hear the music of a Victrola playing music from wax cylinders dating to Thomas Edison, and see a piano made in Plymouth in 1830! Historic clocks will be on display, as well as Civil War memorabilia highlighting Plymouth’s role in the Civil War. There will be refreshments. Admission is free. For more information, go to www.plymouthhistoricalsociety.org.