Social and Behavioral Sciences Commons^™

A Map Based On The "Hold-To-Light" Binder, Amanda Leach

Student Projects from the Archives

The Hold-to-Light cards in the David P. Campbell Postcard Collection have a wide dispersion over the United States and Europe, and even one from Argentina. The Copper Window cards, however, are predominately travel postcards, which show a popular tourist attraction. These cards are indeed clustered in the New England Area. This tells us that these coastal states were popular travel destinations in the early 1900s. To explore this interactive map, please follow the link below:

https://www.google.com/maps/d/viewer?mid=1Wkjl4QLAxLYX7ukvp84fgIcV4TsNTB0G&ll=35.41926243680842%2C-97.16311076875001&z=4

Capturing Hold-To-Light Postcard Images: A Video, Richard Marko

Student Projects from the Archives

One of the major challenges we faced in working with our binder from the David P Campbell Postcard Collection was getting digital images of the postcards with their Hold-to-Light effects. After a few attempts with the scanner it was decided that photography was the best way to capture these images. In order to best capture the Hold-to-Light a special card holder was constructed. The holder helped make photographing the cards less time consuming and produced the best quality images in showing the effects of the cards. The construction process and instructions for this card holder can be found in this …

Hold-To-Light And Other Specialty Postcards, Zoe Orcutt

Student Projects from the Archives

The "Hold-to-Light" binder in the David P. Campbell Postcard Collection deals primarily with cards that contain some type of visual effect when viewed. The majority of the cards’ visual effects can be viewed when held up a light. For this, they are usually called HTL (hold-to-light) cards, or transparency cards. There were three specific processes used in printing these HTL Cards: Die-cutting, Transparency, and Slide-Transparency.