This is an original 1919 two-color cover for Scientific American featuring an image of a seven-foot wind tunnel used for testing airplane models. Please note that the cover makes reference to page 558, but the page is not included in this listing.
This 92+ year old Item is rated Very Fine +++. Light aging throughout. Light wrinkling. No natural defects. No surface rub. No tears. No water damage. Please note there is a library stamp visible on this image.
Product Type: Original Cover; Two Color
Grade: Very Fine +++
Dimensions: Approximately 10.25 x 13.5 inches; 26 x 34 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: aviation, Scientific American Publishing Company, invention