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Diascope No. 1 - Folding door style covered in black leather with a mirror
7 Î 6 Î 1 1/2 ins (flat)
Private collection of Mark Jacobs
Courtesy of Mark Jacobs Collection.
Autochromes were difficult to see and were often looked at in specially designed viewers called diascopes. The thirteenth edition of the instruction booklet Color Photography with Autochrom [sic] Plates stated,
"Diascopes are reflectors so arranged that the light first passes through the picture, which is then reflected into a mirror. When closed they fold like a book and protect the picture; when open they are neat and decorative as a table ornament. They are made for either upright or landscape (horizontal) pictures."
The image in the diascope "Girl with Flowers" is a 5 Î 4-inch Autochrome (ca. 1912) by an unidentified photographer.