While both publications do not specifically state that mold begins to grow in 24 to 48 hours, this is the generally accepted time frame used by water damage responders to determine when mold begins to grow. So we have the inference from the guidance documents that mold can begin to grow in 24 to 48 hours.
Granulated and softer drawing implements, such as chalk, charcoal, and graphite are not as dependent on a particular type of paper (as, watercolours, pastels or pen and ink); but, because of their slight adhesiveness, they often need a stronger bond with the foundation as well as some kind of surface protection.
Notebooks 1.1, St. Helena Model, the specimen notebooks and all other post voyage notebooks are different types. Some of the Beagle notebooks, such as St. Fe and Valparaiso, have long fine, almost parallel, knife cuts on their covers.