Category Paper

Environmental control for collections in an international context: a Canadian case study

  *by Scott A OrrĀ  Environmental control is an inconceivably important aspect in managing heritage collections for which many guidelines and specifications have been developed. These guidelines should be contextualised by international climate variability and consider the integral contribution of building envelopes in managing heritage environments. Temperature and relative humidity are two important factors in […]

Zero-span: an attractive alternative, but where to measure…

by Natalie Brown Recently I performed Zero-span measurements on a selection of 19th and 20th Century Chinese papers. A Zwick Roell tensile strength machine, equipped with a modified z span application, was used on a sample set that was a mixture of traditional handmade paper (image A) and mass-produced machine made papers (image B). Before […]