This is an original 1922 black and white print ad for the Acree Double Hydrogen Electrode, a product by Pyrolectric Instrument Company, located on East State Street in Trenton, New Jersey.
CONDITION
This 89+ year old Item is rated Very Fine ++. Light aging throughout. No creases. No natural defects. Some light surface rub. No tears. No water damage. There is some bleed through visible on this this ad.
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Product Type: Original Print Ad; Black / White
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Grade: Very Fine ++
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Dimensions: Approximately 7.25 x 5.25 inches; 18 x 13 cm
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Authentication: Serial-Numbered Certificate of Authenticity w/ Full Provenance
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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, Northrup pH Pyrovolet Potentiometer, Science Equipment
IEC1A2C22