The Harry Ransom Center recently treated a document near and dear to its home. The original manuscript for “The Eyes of Texas,” the alma mater for The University of Texas at Austin, was in need of conservation. The Texas Exes, the alumni organization which holds the manuscript, brought the framed… read more
Conservation
Un resultado positivo para un negativo en placa de vidrio
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
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