Under Section 30(1) of the Sale of Goods Act, 1930, the protected delivery or transfer by a seller…

Section 30(1) of the Sale of Goods Act protects a delivery or transfer by the seller in possession, or by a mercantile agent acting for him, "under any sale, pledge or other disposition" to a person receiving the goods in good faith and without notice of the previous sale. The protection is not limited to one kind of dealing, and it covers the seller's own transfer as well as one made through an agent.