This is an original 1922 black and white print ad for the Parr Fuel Testing Apparatus, specially featuring the Parr Adiabatic Calorimeter with Illium Bomb, a product line by the Central Scientific Company.
This 89+ year old Item is rated Very Fine +++. Light aging throughout. Light wrinkling. No natural defects. 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 7.75 x 11.25 inches; 20 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