Science and Mechanics Magazine April 1949 Good Grade Chevrolet Styling

Science and Mechanics Magazine June 1949 Good Grade Stock Car Racing Secrets

SCIENCE AND MECHANICS MAGAZINE--------DECEMBER 1949

Science and Mechanics August 1949 Magazine

Science and Mechanics Magazine December 1949 Good+ Grade Yuletide Notions

SCIENCE AND MECHANICS MAGAZINE--------FEBRUARY 1949

Everyday Science and Mechanics Magazine Vol. 20 #6 FN 1949

Everyday Science and Mechanics Magazine Vol. 20 #6 VG+ 4.5 1949 Low Grade