41. Ayer Mill Format: Photographs Collection: Lawrence History Center Photograph Collection Date: [ca. 1860–2011] Institution: Lawrence History Center
42. Ayer Mill Format: Photographs Collection: Lawrence History Center Photograph Collection Date: March 1995 Institution: Lawrence History Center
43. Ayer Mill & old freight terminal. Merrimack St. Format: Photographs Collection: Lawrence History Center Photograph Collection Date: March 1995 Institution: Lawrence History Center
44. Ayer Mill complex Format: Photographs Collection: Lawrence History Center Photograph Collection Date: [ca. 1860–2011] Institution: Lawrence History Center
45. Ayer Mill construction, c 1909 Format: Photographs Collection: Lawrence History Center Photograph Collection Date: [ca. 1909] Institution: Lawrence History Center
46. Ayer Mill construction ca 1909 Format: Photographs Collection: Lawrence History Center Photograph Collection Date: [ca. 1909] Institution: Lawrence History Center
47. Ayer Mill construction ca 1909 Format: Photographs Collection: Lawrence History Center Photograph Collection Date: [ca. 1909] Institution: Lawrence History Center
48. Ayer Mill construction ca 1909 Format: Photographs Collection: Lawrence History Center Photograph Collection Date: [ca. 1909] Institution: Lawrence History Center
49. Ayer Mill construction ca 1909 Format: Photographs Collection: Lawrence History Center Photograph Collection Date: [ca. 1909] Institution: Lawrence History Center
50. Ayer Mill employees c. 1920 Format: Photographs Collection: Lawrence History Center Photograph Collection Date: [ca. 1920] Institution: Lawrence History Center
51. Ayer Mill. Wood mill behind it Format: Photographs Collection: Lawrence History Center Photograph Collection Date: April 1983 Institution: Lawrence History Center
52. Back gray washers, central building Format: Photographs Collection: Lawrence History Center Photograph Collection Date: February 1914 Institution: Lawrence History Center
53. Back gray washing. Central building Format: Photographs Collection: Lawrence History Center Photograph Collection Date: February 1914 Institution: Lawrence History Center
54. Bay State Mills (from stereograph) Format: Photographs Collection: Lawrence History Center Photograph Collection Date: [ca. 1860–2011] Institution: Lawrence History Center
55. Bay State/Washington Mill Format: Photographs Collection: Lawrence History Center Photograph Collection Date: [ca. 1860–2011] Institution: Lawrence History Center
56. Bay State/Washington Mills Format: Photographs Collection: Lawrence History Center Photograph Collection Date: [ca. 1860–2011] Institution: Lawrence History Center
57. Bleachery, 1st. floor Format: Photographs Collection: Lawrence History Center Photograph Collection Date: February 1914 Institution: Lawrence History Center
58. Bleachery, 1st. floor Format: Photographs Collection: Lawrence History Center Photograph Collection Date: February 1914 Institution: Lawrence History Center
59. Chemical dept., print building Format: Photographs Collection: Lawrence History Center Photograph Collection Date: February 1914 Institution: Lawrence History Center
60. Chemical laboratory, print building Format: Photographs Collection: Lawrence History Center Photograph Collection Date: February 1914 Institution: Lawrence History Center