Image from Agrippa 'De occulta philosophia', 1533

Newton’s dog-ears

16 October 2015 by

What are the quickest ways of getting into a librarian’s bad books? Well, there are the usual clichés – the…

Principia

17 July 2014 by

It’s a happy day when I get the chance to blog about not one, but two pet topics. The manuscript…

Death mask of Sir Isaac Newton

Death masks

6 August 2013 by

The death mask is a curious historical niche which attracts considerable interest. They are made by taking a cast of…