Newton, James
Ramage, Gordon
Gadegaard, Nikolaj http://orcid.org/0000-0002-3396-846X
Zachs, William
Rogers, Simon http://orcid.org/0000-0003-3578-4477
Barrett, Michael P.
Carruthers, Gerard
Burgess, Karl http://orcid.org/0000-0002-0881-715X
Funding for this research was provided by:
Engineering and Physical Sciences Research Council (EP/F500424/1)
Wellcome Trust (097821/Z/11/Z, 105614/Z/14/Z)
Article History
Received: 22 January 2018
Accepted: 18 June 2018
First Online: 26 July 2018
Competing Interests
: The manuscripts analysed in the study, and the book containing the contemporary ink recipes are part of the private collection of Dr. William Zachs, who provided us with unrestricted access for the duration of the project.