Through

Those of you who have seen my blips of these bottles before will note that I have got through the 2009 vintage - and the 2010 and 2011, the bottles for which are currently being recycled.

However, all is not lost, because you can see the 2012 vintage through the empty one.

Two throughs are told...(that's a pun for Shakespearians)

Also I note from a very informative book entitled 365 reasons to be proud to be British that 25 January marked the 173rd anniversary of William Talbot exhibiting his first photographs in the Royal Institute in London.

He did this in response to an exhibition by Louis Daguerre who today is considered a father of photography. However Talbot had been taking photographs for five years before Daguerre's exhibition.

He also used his own invention of the more flexible negative/positive paper process (known as the Calotype process) that required less processing time than Daguerre's more cumbersome use of copper sheets.

With this blip I've used a computer process to emulate a Calotype image.