Below is the second part of DeVlieg's American edition of thModel H Jigmil. It contains a wealth of interesting detail not only concerning the technical specification the various models but also how they functioned and the accessory range.
Further catalogs from the 1940s, 1960s and 1970s will follow.
An article on the DeVlieg Jigmil can be found here: http://www.lathes.co.uk/devlieg