Photogr. A thin frame inserted in a plate-holder to hold plates smaller than those for which the holder was originally constructed.
1885. in Cassell’s Encycl. Dict.
1889. L. F. Drake, in Anthony’s Photogr. Bull., II. 74. A 5×8 is the best size for general use, and with a few 34×44 kits is all that is needed.
Kit, sb.9: see KIT-FOX.
