#  Collections 

 



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 ![Daguerreotype with multiple exposures of the moon at the center of a dark surface. Exposure times are listed to the right on a slip of paper. A red velvet case lining is shown on each side of the exposures](/sites/g/files/omnuum2761/files/wolbachlibrary/files/olvwork124646.jpg)

 

###### Humphrey, S.D. (1849). [View of the moon, multiple exposures](http://id.lib.harvard.edu/via/olvwork124646/catalog).  


The Harvard Plate Stacks is also the home to both physical and digital [special collections](/special-collections "Special Collections") including [Harvard's Astronomical Photographic Glass Plate Collection](https://platestacks.cfa.harvard.edu/).

See our [Collection Access Policy](/collection-access "Collection Access") and [Collection Development Policy](/collection-development "Collection Development") for more information.