There is one image of this object

negative: San Francisco International Airport (SFO), security checkpoint

Date:c. 1970
Medium:Negative
Credit Line: Collection of SFO Museum
Accession Number:2011.032.2307
Dimensions:1 x 1 1/2 inches (2.5 x 3.8 cm)
Collection:Aviation Archive
Category:Photograph
Subcategory:Negative
airline: Midwest Express Airlines , Pacific Southwest Airlines (PSA) , Delta Air Lines
airport: San Francisco International Airport
company: Pacific Southwest Airlines (PSA)
Description

Color photographic negative depicting exit from secure boarding area for Pacific Southwest Airlines (PSA), Midwest Express, and Delta Air Lines passengers, San Francisco International Airport (SFO); signs with text, “Do not enter” and “Exit only”.

Similar objects

The following are SFO Museum Aviation Collection object images whose mathematical representations are similar to this image. These representations are referred to as vector embeddings and were derived using a series of different machine-learning models. The definition of similar in the eyes of any given machine-learning model is often opaque, typically mysterious and sometimes incorrect. As such these objects are included because they are generally similar in nature, or spirit, and as a way to help you discover things in our collection which you might have otherwise missed.

URL
IIIF Manifest

The location of this object is approximate and was derived from the airport it has been associated with.

If you would like to embed this object in your own website click to expand If you would like embed this object in to your own website copy and paste the following markup: 
<div id="sfomuseum-image-1527827513" class="sfomuseum-image" style="max-width:640px; margin:auto 0;">	 
  <a href="https://collection.sfomuseum.org/objects/1511948549/"><img src="https://static.sfomuseum.org/media/152/782/751/3/1527827513_GazInoykN2kvuqpyOrScvPpvi5lQ2NVl_z.jpg" alt="negative: San Francisco International Airport (SFO), terminal interior, security checkpoint" /></a>
  <div id="sfomuseum-image-caption-1527827513" class="sfomuseum-image-caption" style="margin-top:1rem; font-style:italic;">
    <div><strong>Negative: San Francisco International Airport (SFO), security checkpoint</strong> c. 1970</div>
    <div>Collection of SFO Museum</div>
    <div>Collection of SFO Museum <a href="https://collection.sfomuseum.org/objects/1511948549/">2011.032.2307</a></div>
  </div>
</div>
If you would like to cite this object in Wikipedia click to expand If you would like to cite this object in a Wikipedia article please use the following template: {{cite web |url=https://collection.sfomuseum.org/objects/1511948549/ |title=negative: San Francisco International Airport (SFO), security checkpoint |author=San Francisco International Airport Museum |accessdate=09 January 2026 |publisher=San Francisco International Airport Museum}}
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