1922 Ad Crowell Rotary Air Compressors Vacuum Pumps Scientific Engineering IEC1 SP3 This is an original 1928

This is an original 1928 one-page article (one single-sided page) of a variety of scientific invention patents

" This is an original 1999 color print ad for Absolut Mandrin Vodka

This is an original 1911 black and white halftone print of the convent of St

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1922 Ad Crowell Rotary Air Compressors Vacuum Pumps Scientific Engineering IEC1 SP3 This is an original 1928This 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. CONDITION This 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