121. Arlington Machine Works Textile Finishing Machinery Arlington Heights Mass. Format: Objects/Artifacts Collection: William Mahoney Collection Date: December 1908 Institution: Arlington Historical Society
122. Arlington Mill, Lawrence, MA. Format: Photographs Collection: Lawrence History Center Photograph Collection Date: [ca. 1860–2011] Institution: Lawrence History Center
123. Arlington X. L., coming soon Format: Postcards/Cards Collection: William Mahoney Collection Institution: Arlington Historical Society
124. Arthur Birch of Arlington Arlington Machine Works Arlington Heights, Mass. Format: Postcards/Cards Collection: William Mahoney Collection Date: [ca. 1900–1999] Institution: Arlington Historical Society
125. Asphalt plant & machinery - "Mrs. Skeel's" Creator: Luce, Edward Lee, 1879-1950 Format: Photographs Collection: Basil Welch Collection Date: [ca. 1890–1940] Institution: Martha's Vineyard Museum
126. Atkinson pier Format: Photographs Collection: Bill Lane Photograph Collection Date: 1974 Institution: Newburyport Public Library
127. Atkinson pier Format: Photographs Collection: Bill Lane Photograph Collection Date: 1974 Institution: Newburyport Public Library
128. Automatic 16" Powder Stacking Machine Creator: United States. Navy. Naval District, 1st Format: Photographs Collection: Photographs of the First Naval District Date: 1946 Institution: National Archives at Boston
129. Automatic gathering machine Format: Prints Collection: Stereograph Collection Date: [ca. 1893–1920] Institution: Boston Public Library
130. Automatic machines in the grocery department Format: Prints Collection: Stereograph Collection Date: [ca. 1893–1920] Institution: Boston Public Library
131. Automatic mould liner under pig iron machine Format: Photographs Collection: Stereograph Collection Date: (c) 1905 Institution: Boston Public Library
132. Automatic Recording of 52 engine test variables, wich formerly had to be manually read and recorded from gauges, is accomplished with this "tattle tale" typewriter at... Format: Photographs Collection: Boston Herald-Traveler Photo Morgue Date: [ca. December 1956] Institution: Boston Public Library
133. Baby steam roller Creator: Parker, Warren S. Format: Photographs Collection: Parker Collection Date: [ca. 1919] Institution: Thomas Crane Public Library
134. Baby steamroller Creator: Parker, Warren S. Format: Photographs Collection: Parker Collection Date: July 5, 1919 Institution: Thomas Crane Public Library
135. Barber Greene digger at the State Road Format: Photographs Collection: Wayland Waterworks Centre Systems 1926-1927 Date: 1926–1927 Institution: Wayland Free Public Library
136. Barber Greene digger on a freight car Format: Photographs Collection: Wayland Waterworks Centre Systems 1926-1927 Date: 1926–1927 Institution: Wayland Free Public Library
137. Barber Greene digger working across the State Road Format: Photographs Collection: Wayland Waterworks Centre Systems 1926-1927 Date: 1926–1927 Institution: Wayland Free Public Library
138. Barber Greene machine in digging position Format: Photographs Collection: Wayland Waterworks Centre Systems 1926-1927 Date: 1926–1927 Institution: Wayland Free Public Library
139. Barber Greene machine on the State Road Format: Photographs Collection: Wayland Waterworks Centre Systems 1926-1927 Date: 1926–1927 Institution: Wayland Free Public Library
140. Base-tempering unit Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: May 2, 1944 Institution: National Archives at Boston