Keywords: Old Powder House, Somerville, MA - HABS MA-178 - 081072pu.jpg Old Powder House Broadway College Avenue Somerville Massachusetts USA Built c 1710 by John Mallet as a windmill; used as a powder house from 1747-1835 This image is part of the Historic American Building Survey HABS created by the Library of Congress and hence is in the public domain Survey number HABS MA-178 Arthur C Haskell Photographer 1935 See http //www loc gov/pictures/item/ma0808 photos 081072p/ Daderot 2012-02-04 Historic American Building Survey HABS creator MA-178 MA-178 Old Powder House Somerville Massachusetts |