Ramona Ridling displays a five-cent spring clamp that means savings worth millions of dollars. Boxes, such as those in the truck behind her, closed with these clamps can be completely dis-assembled in less time that it takes to remove the lids from nailed boxes, box panels are undamaged. This makes it possible for manufacturers to recover and reuse box materials, thereby saving about half the cost of conventional packaging.

Photo is dated 1957.

Photo measures 9 x 7.25 inches.