1922 Ad Gaertner Comparator Spectroscopic Scientific Equipment Laboratory IEC1 RKO1 and the Grand Canyon National

and the Grand Canyon National Parks in the American Southwest

Lewis of Geneva

Chickering & Sons was the largest United States piano manufacturer

"The Southern Colonnade

A master of line

1922 Ad Gaertner Comparator Spectroscopic Scientific Equipment Laboratory IEC1 RKO1 and the Grand Canyon NationalThis 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: