Scientific American, A Weekly Review of Progress; Includes four issues for August 1920 (August 7, August 14, August 21, and August 28)

Softcovers. Includes four issues of the Scientific American weekly magazine for 1920: August 7, August 14, August 21, and August 28, 1920. All VG-. All somewhat age-toned, and each has a light vertical crease. Each issue has some rubbed soil to the covers, but overall, are fairly clean. The August 12 issue has the remains of a mailing label at the bottom front. The August 7 issue has a surface scar where the mailing label was removed, and some staining to the front cover. Corners a bit bumped, and just a bit of edgewear. The staples are a bit rusty. Pages are a bit age-toned, but clean. Many ads; including automotive ads, some full-page. ; 28B; 13-3/4" x 11".