This is an original 1934 black and white halftone print of an apparatus, consisting of tubes and flasks of chemicals, that was used to check the amounts of carbon dioxide and oxygen in the air globes when three men were sealed in it and when the device for removing the carbon dioxide was in operation.
This 79+ year old Item is rated Very Fine ++. Light aging throughout. No creases. No natural defects. No surface rub. No tears. No water damage. Please note: There is printing on the verso.
Product Type: Original Halftone Print; Black / White
Grade: Very Fine ++
Dimensions: Approximately 5.5 x 3.75 inches; 14 x 10 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)
Photography by Richard H. Stewart.