Machines modernes à traction animale. Itinéraire d'un inventeur au service des petits paysans

this book is an exellent book for those seeking an understanding in adjustements required to put animals to work using old day equipement,
remodisered for todays uses.The illasatrations are exellent and describes the how to including the ingredients required to do the work.
My only regret that this book is not avaialble in english.