1876. A group of 10 glass stereoscopic negatives documenting the Centennial International Exposition, held in Fairmount Park, Philadelphia, Pennsylvania.
each negative approx. 4 x 6 1/2 in. (10.2 x 16.5cm), mounted to another piece of glass measuring 5 x 8 in. (12.7 x 20.3cm)

Including:
Main building- South Entrance, #C5
Machinery Hall, #771
Birds eye view of Grounds, #C44
South from George's Hill, #C42 (two views)
Main Hall (non stereo)
Operti's Garden, #C28 and C29
Agricultural Hall (non stereo)
Statue, #118-6
(10)

note:
The print catalog incorrecly illustrates a scene of early Philadelphia at the top of page 109, please disregard this image.