Helion has very kindly offered followers of the LoA Blog an opportunity to receive a 20% discount on the new title focused on the Blue Machine of 1700-1720.
If you order the book and quote the discount code Narva20 you will get the discount. Offer valid till August 15th. So get in there!
I have not yet seen the book but I am confident it will be a super addition to the resources available on this fascinating period.