'Thusblocks of stone placed one on the top of another without any mortar or cement for the purpose of forming adry stonewall would become part of the land, though the same stones, if deposited in a builder's yard and forconveniencesake stacked on the top of each other in the form of a wall, would remainchattels'

per Blackburn J. in Holland v. Hodgson (1872) L.R. 7 C.P. at 335)

hi, I need to know why Blackburn was using the analogy of a dry stone wall and why it is important as well as how law determines whether a item of property is considered as a fixture or fitting