1922 Ad Gaertner Comparator Spectroscopic Scientific Equipment Laboratory IEC1 RKO1 "The Southern Colonnade

"The Southern Colonnade

This is an original 1916 halftone print of a five-cylinder bike

Sport Touring

and the Grand Canyon National Parks in the American Southwest

airline pilot

1922 Ad Gaertner Comparator Spectroscopic Scientific Equipment Laboratory IEC1 RKO1 "The Southern ColonnadeThis is an original 1922 black and white print ad for Gaertner Comparators, a product line by William Gaertner and Company, located on Lake Park Avenue in Chicago. CONDITION This 89+ year old Item is rated Very Fine +++. Light aging throughout. No creases. No natural defects. No 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: