ambrotype

n.

（采用玻璃底片的）旧式照相；

AMBROTYPE
[Ambrotype]
An Ambrotype of a Maine Militiaman
Memorandum: Lincoln ambrotype, 1854
"Photographic and Ambrotype Views of the entire Falls..."
Ambrotype of two men sitting on a bench at Table Rock near the Horseshoe Falls, ca. 1860.
Ambrotype, one of the oldest photographic processes, its degradation and methods of its conservation
Portrait of Seven Women by Mathew Brady, 1/2 plate ambrotype
AMBROTYPE ANTIQUE PROCESS USES PLATES DIPPED IN A LIGHT-SENSITIVE CHEMICAL SOLUTION AND LOADED INTO A CAMERA WITH A CIVIL WAR-ERA LENS
Conservation of the Earliest Known Shaker Architectural Image: The Ambrotype of the South Family, Harvard, Massachusetts