Webb and Baker Mills Postcards Webb and Baker Mills No. 1327 Postcard. Caption on front: Webb & Baker Mills, Bakers Chocolate Mills, Dorchester, Mass. Photo by J.V. Hartman. Postally unused. On verso: Pub. by J.V. Hartmann & Co., Boston, Mass. Series 64. Facebook Twitter Print Friendly Skills Baker Chocolate, Baker Mill, Dorchester, Lower Mills, Webb Mill Posted on December 2, 2022 ← Saint Angelas Roman Catholic Church John F. Kennedy Library →