421. Rock formation Format: Photographs Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
422. Sampson shoe factory w/Chinese in working costume Format: Photographs Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
423. Standard for the alignment at the upper floor of central shaft Hoosac Tunnel Format: Drawings/Illustrations Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
424. Standards for surface alignment piers adjacent to central shaft Hoosac Tunnel Format: Drawings/Illustrations Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
425. Standards for the alignment at upper floor of central shaft Format: Drawings/Illustrations Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
426. State St. bridge & covered train bridge w/ view of south end of city Format: Photographs Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
427. Stone dam at Glen Mill Format: Photographs Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
428. Straps &c. for 4 in. plunger pump at central shaft. For details see tracing dated Jan. 26, 1867 Format: Drawings/Illustrations Collection: Hoosac Tunnel Collection Date: 1867 Institution: North Adams Public Library
429. Trains Format: Drawings/Illustrations Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
430. Untitled [central or west shaft structures and machinery] Format: Drawings/Illustrations Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
431. Untitled [earth bucket or cage?] Format: Drawings/Illustrations Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
432. Untitled [machinery] Format: Drawings/Illustrations Collection: Hoosac Tunnel Collection Date: 1871 Institution: North Adams Public Library
433. Untitled, parts labeled [benne a eau; 2 attache de benne; 3 crochet de benne; 4 benne a terrassement; 5 benne de terrassement sur [rouls ?]; 6 details du gabarit; 7... Format: Drawings/Illustrations Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
434. Untitled [three drawings on one page, showing machinery made to fit on rails, possibly for central shaft] Format: Drawings/Illustrations Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
435. View from High St. Format: Photographs Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
436. View of dam, 1/4 mile above machine shop Format: Photographs Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
437. View of freight yard, side and back of Wilson Hotel Format: Photographs Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
438. View of large buildings from dirt road w/ wood fence Format: Photographs Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
439. View of North Adams from SW, overlooking bridges & freight yard Format: Photographs Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library
440. View of North Adams from w. hillside (Witt's? Robinson?) Format: Photographs Collection: Hoosac Tunnel Collection Date: [ca. 1860–1879] Institution: North Adams Public Library