An implied easement is an easement resting upon the principle that, where the owner of two or moreadjacent lots sells a part thereof, he grants by implication to the grantee all thoseapparent and visible easements which are necessary for the reasonable use of theproj>- erty granted, which at the time of the grant are used by the owner of theentirety for the benefit of the part granted. Farley v. Howard, 33 Misc. Rep. 57. 08 N. Y. Supp. '159.