Wednesday, 14 November 2018

More on Ultra-violet lamps for looking at Walsall-printed Machins.

Some startling evidence on different lamps has been provided by one of our readers, and this has been added to the original blog post here.


No comments:

Post a Comment

Thank you for reading the blog and commenting: please use an identity (name or pseudonym) rather than being Anonymous; it helps us to know which 'anonymous' comments are from the same person to avoid confusion. Comments are moderated to avoid spam, but will be published as soon as possible.