Description: There are several ways to date postcards that are seemingly undated. This page provides a few general methods for determining a time period or date for postcards.GENERAL POSTCARD CHRONOLOGY[edan-image:id=siris_sic_13846,size=250,left]Postcard producers printed cards that followed the current trends of postcards. Dates can be approximated by the material and design of a
Description: A previously unpublished photograph, from the Science Service "morgue" files in Accession 90-105, shows two Nobel laureate physicists, Anton Lorentz and Albert Einstein, in 1926.
Description: Link Love: a weekly blog feature with links to interesting videos and stories regarding archival issues, the Smithsonian, and Washington D.C & American history.
Description: One of our recent projects, these photographic crayon enlargements, associated with founder of the National Zoo William Temple Hornaday, were made on sensitized paper that was then adhered to a linen “canvas” stretched around wooden frames. The paper had become brittle, and handling at some point in the past led to a number of punctures and tears through both the paper and the
Description: [caption id="attachment_2474" align="aligncenter" width="300" caption="Silicon Eye, from the inner core.... the 5 Megapixel CCD sensor that electronically captures the image, by Flickr user jurvetson."][/caption] The Nobel Prize jury recently announced three winners in physics, who’ve been dubbed "the masters of light" for their innovations in the ways photographic images are