What is another word for quarter plate?
Pronunciation: [kwˈɔːtə plˈe͡ɪt] (IPA) 
Quarter plate refers to a specific size of photographic plate measuring 3 1/4 x 4 1/4 inches. Synonyms for quarter plate include 3 1/4 x 4 1/4 inch plate, stereo 4 1/4 x 3 1/4 inch plate, and half stereoscopic quarter-plate. Quarter plate was commonly used during the early days of photography and was frequently used in portrait photography. It was also used in stereoscopic photography, where two nearly identical images were captured at slightly different angles and viewed through a stereoscope to create a 3D effect. While quarter plate may not be as commonly used today, its use in historical photography is an important reminder of the evolution of photographic technology.
