Scientific American, A Weekly Review of Progress; Includes four issues for March 1921 (March 5, March 12, March 19, and March 26)

Softcovers. Includes four issues of the Scientific American weekly magazine for 1921: March 5, March 12, March 19, and March 26, 1921. All VG. All somewhat age-toned. Each issue has some light rubbed soil to the covers. Light vertical crease to each issue. Corners a bit bumped, and just a bit of edgewear. ~3/4" closed tear at the fore-edge of the first page of the Mar 5 issue. ~2" closed tear at the fore-edge of the front cover of the Mar 26 issue. Some label residue along the fore-edge of the rear cover, and a sticker scar on the rear cover of the Mar 26 issue. The staples are just a bit rusty. Pages are just a bit age-toned, but clean. Many ads; including automotive ads, some full-page. ; 28B; 13-3/4" x 11".