Whenever there is a new Picture This post from the Library of Congress collection, this Applet will tweet an image for your followers.

If

Picture This: Library of Congress Prints

This trigger fires every time there's a new highlight from the Library of Congress print collections as well as peeks behind-the-scenes in the Prints Photographs Division.

Then

Post a tweet with image

This Action will post a new tweet to your Twitter account with a linked pic.twitter.com image. NOTE: Please adhere to Twitter’s Rules and Terms of Service.