This is an original 1935 halftone print of tetrahedron blocks lined up to the right of the image. The caption writes, "The Mississippi has many a curve and bend, and it is the natural tendency of the current to increase the curvature. By piling these concrete blocks along the banks of the river, Army engineers hope to keep the river in its present channel." Photography by International Cement Corporation.
This 76+ year old Item is rated Near Mint / Very Fine+. Light aging throughout. No creases. No natural defects. No surface rub. No tears. No water damage. Please note that there is print on the reverse.
Product Type: Original Halftone Print; Black / White
Grade: Near Mint / Very Fine+
Dimensions: Approximately 6.25 x 5.5 inches; 16 x 14 cm
Authentication: Serial-Numbered Certificate of Authenticity w/ Full Provenance
Protection: Packaged in a custom archival sleeve with an acid-free black board (great for display, gift-giving, and preservation)
Keywords specific to this image: Engineering, industry, industrial