Antes de la invención de materiales plásticos, el vidrio y el papel eran los materiales principales para producir negativos en blanco y negro. Las placas de vidrio con emulsión de gelatina fueron producidas desde finales del siglo diecinueve (XIX) hasta mediados del siglo veinte (XX). La transparencia del vidrio facilitó
Conservation
A positive outcome for a glass plate negative
Before the invention of plastics, glass and paper were used to produce black and white photographic negatives. Glass plates with gelatin emulsion were produced from the late- nineteenth century until the mid-twentieth century. The transparency of glass made the plates very
The Gutenberg Bible turns a new page
The Ransom Center’s two-volume Gutenberg Bible is on permanent display in the lobby. Every three months the Center’s staff changes which page of the Bible is displayed, allowing us to share different pages with our visitors, and also protect the volumes from over exposure to light, stress on their bindings,… read more