Lissajous curves created by a harmonograph

Swinging art

9 July 2015 by

You probably won’t be surprised to read that among my vices is a serious second-hand bookshop habit; another is a…

'Electric star on dancer', from J T Niblett's 'Portative electricity', 1893

Chimes at midnight

22 December 2014 by

Christmas, and what could be better at this time of year than tales of light and darkness? If you’ve decorated…



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…