Lydia Vance
"Lydia specializes in the micro-topography of photogravure plates and the physics of pressure-based ink transfer. Her writing explores how etched copper surfaces translate light-sensitive data into tangible tonal gradients on cellulose."
Latest from Lydia
A technical examination of the chemical degradation pathways of organic pigments in historical chromogenic prints, including the effects of the Arrhenius equation and photocatalysis.
A technical comparison of 100% cotton rag and industrial wood-pulp papers, examining the chemical mechanisms of degradation and the archival standards required for long-term stability.
This article explores the critical transition from cotton rag to wood pulp paper in the 19th century and its profound impact on the preservation of early photographic images.
A technical examination of the chemical transition from cotton rag to wood pulp paper in the 19th century and the resulting impact of acid hydrolysis on historical document longevity.
A technical examination of how alkaline buffering agents like calcium carbonate prevent acid hydrolysis and preserve the structural integrity of archival paper substrates.
This technical investigation explores the 1871 Maddox dry-plate process, detailing the colloidal chemistry of silver halide precipitation and the material science of archival image preservation.
A technical examination of the Talbot-Klic photogravure process, focusing on the material science of copper plate etching, micro-topographic ink retention, and the archival properties of alpha-cellulose substrates.
An analytical review of silver halide sensitivity, the Gurney-Mott theory of latent image formation, and the archival science of photo-mechanical reproduction on cellulose substrates.
Popular Posts
Lignin-Free vs. Wood-Pulp: 150 Years of Archival Stability
Cellulose and Lignin: The Material Science of 19th-Century Rag Papers
