1922 Ad Crowell Rotary Air Compressors Vacuum Pumps Scientific Engineering IEC1

This is an original 1922 black and white two-page print ad for the Crowell Manufacturing Company's line of Rotary Air Compressors, Vacuum Pumps and Rotary Positive Pressure Blowers. Please see additional image. CONDITIONThis 89+ year old Item is rated Very Fine. Light aging throughout. Light creasing. No natural defects. Some light surface rub. No tears. No water damage. There is some bleed through visible on this this ad. Product Type: Original Print Ad; Black / White Grade: Very Fine Dimensions: Approximately 8.25 x 11.5 inches; 21 x 29 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: Vintage Advertising, Rotary Positive Pressure Blowers, Brooklyn New YorkIEC1A9C22