 Founded by Siegmund Lubin, the Betzwood Motion Picture Studio in Montgomery County, Pennsylvania, operated between 1912 and 1923.Over 100 films were produced at the 350-acre studio, which was run by the Wolf Brothers, Inc. of Philadelphia beginning in 1917.In 1920 and 1921, 17 "Toonerville Trolley" two-reel comedies were made at Betzwood.