He is a one off prototype built by the Everyman company (which later became part of Conway) but was deemed too complex and expensive to produce so no more were ever built.
We have owned Herbert for a few years and have only had to make minor improvements, a lick of paint and a bit of basic rewiring.
http://www.thecampingforum.co.uk/forum/gallery/album.php?album_id=431






That's pretty cool, never seen one quite like that before. I love classic stuff





