Popular Science Magazine September 1947 - Sandhogs' Toughest Job

The product is a December 1938 issue of Popular Science Magazine, specifically v

POPULAR MECHANICS MAGAZINE DECEMBER 1947 VINTAGE SCIENCE & TECHNOLOGY

Popular Science Magazine March 1947 - Going Up For Keeps

Popular Science Magazine February 1947 - Television on The Job

Popular Science Monthly Magazine March 1947 Going Up for Keeps space theme

Popular Science Dec 1955 Detroit Boosted Horsepower, Make Rocket Weathe ID:52072

Popular Science Magazine – February 1947 – Missing Covers/First Page – Complete