Complex sentence: A. R. Harding sold the Gallia Times newspaper in 1904 and moved his operations from Gallipolis to 326 East Broad Street, Columbus, Ohio, where he devoted his time fully to the magazine, which had grown from 24 to sometimes over 160 pages in length.
Split into simpler sentences: A. R. Harding sold the Gallia Times newspaper in 1904 and moved his operations from Gallipolis to 326 East Broad Street, Columbus, Ohio. There he devoted his time fully to the magazine, which had grown from 24 to sometimes over 160 pages in length.