Priestley & Mullan Groceries, 1910 Posted on September 14, 2018 by Vintage Portland 7 Priestley & Mullan horse drawn grocery delivery wagon, 1910. City of Portland (OR) Archives, A2004-002.11011. View this image in Efiles by clicking here. Rate this:Share this:FacebookPinterestTwitterGoogleEmailRedditLike this:Like Loading...