October 15, 2015, Filed Under: ConservationBefore and After: Georgio Bonelli’s Hortus Romanus, published in 1774 The conservation department of the Ransom Center is responsible for the care and preservation of the Center’s collections. This feature highlights repair and conservation work on collection items.
August 6, 2015, Filed Under: Conservation, PhotographyUn 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
August 6, 2015, Filed Under: Conservation, PhotographyA 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