Report of the Trials of Plour/hs, Harroios, ^c, at Hull. 555 
Ben all No. 398.--This implement comprised a wrought T-iron beam 
4 X 4i mches x i inch, similar to that used in their broadshare, vvhiJh indeed' 
IS capable of bemg converted into a subsoiler. In the centre of the beam is an 
ordinary cast-u-on body, carrying a subsoiling-tine in front, and a cuS-win^ 
