First prize of Young Inventors' Competition was awarded to John du Vallon for combined ditch digger and trimmer, at 14th annual National Power Farming Conference; implement is made in form suitable for mid-mounting on majority of British tractors, is hydraulically powered by tractor pump, and is controlled from panel beside driver; tubular trailing boom carries ditching bucket or other tool; it is possible to tow trailer behind tractor for direct dumping of soil.
Agricultural idea by young inventor
Engineering
Engineering ; 199 , n 5158
1965
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
George Forbes: Carbon Brush Inventor
IEEE | 1986
|Berezhkov : the story of an inventor
SLUB | 1963
|Designer to update Hercules on inventor
Emerald Group Publishing | 2008
Stefan Apostolescu — Romanian Inventor: 1902-1999
Online Contents | 2009