Springfield Street Railway valuation map guide, 1927 Bookmark Collection Context University of Connecticut -Archives and Special Collections at the Thomas J. Dodd Center New Haven Railroad Historical and Technical Association Collection, undated, 1860-1986Series I: Secretary's Records, undated, 1860-1986Subseries 6: Subsidiaries, undated, 1860-1968Maps, map guides, land lists, 1925-1930
Spring No. 2-F-363 with Dalman Type Truck, undated Bookmark Collection Context University of Connecticut -Archives and Special Collections at the Thomas J. Dodd Center New Haven Railroad Historical and Technical Association Collection, undated, 1860-1986Series V: Operations, undated, 1865-1975Subseries 3: Drafting, undated, 1951-1962Locomotive blueprints/diagrams, drafting work, date sketches, standard sketches, undatedDrawings 60316-60521, undated
Spring No. 2-F-373 ARA Spring "H", undated Bookmark Collection Context University of Connecticut -Archives and Special Collections at the Thomas J. Dodd Center New Haven Railroad Historical and Technical Association Collection, undated, 1860-1986Series V: Operations, undated, 1865-1975Subseries 3: Drafting, undated, 1951-1962Locomotive blueprints/diagrams, drafting work, date sketches, standard sketches, undatedDrawings 60316-60521, undated
Spring Plank Bearing Truck, undated Bookmark Collection Context University of Connecticut -Archives and Special Collections at the Thomas J. Dodd Center New Haven Railroad Historical and Technical Association Collection, undated, 1860-1986Series V: Operations, undated, 1865-1975Subseries 3: Drafting, undated, 1951-1962Locomotive blueprints/diagrams, drafting work, date sketches, standard sketches, undatedDrawings 21411-26075, undated
Spring Plank Hanger Truck, undated Bookmark Collection Context University of Connecticut -Archives and Special Collections at the Thomas J. Dodd Center New Haven Railroad Historical and Technical Association Collection, undated, 1860-1986Series V: Operations, undated, 1865-1975Subseries 3: Drafting, undated, 1951-1962Locomotive blueprints/diagrams, drafting work, date sketches, standard sketches, undatedDrawings 10113-17557, undated
Spring Plank Hanger Truck, undated Bookmark Collection Context University of Connecticut -Archives and Special Collections at the Thomas J. Dodd Center New Haven Railroad Historical and Technical Association Collection, undated, 1860-1986Series V: Operations, undated, 1865-1975Subseries 3: Drafting, undated, 1951-1962Locomotive blueprints/diagrams, drafting work, date sketches, standard sketches, undatedDrawings 10113-17557, undated
Spring Plate 60-17387, undated Bookmark Collection Context University of Connecticut -Archives and Special Collections at the Thomas J. Dodd Center New Haven Railroad Historical and Technical Association Collection, undated, 1860-1986Series V: Operations, undated, 1865-1975Subseries 3: Drafting, undated, 1951-1962Locomotive blueprints/diagrams, drafting work, date sketches, standard sketches, undatedDrawings 10113-17557, undated
Spring Plate Double Truss Side Frame, undated Bookmark Collection Context University of Connecticut -Archives and Special Collections at the Thomas J. Dodd Center New Haven Railroad Historical and Technical Association Collection, undated, 1860-1986Series V: Operations, undated, 1865-1975Subseries 3: Drafting, undated, 1951-1962Locomotive blueprints/diagrams, drafting work, date sketches, standard sketches, undatedDrawings 21411-26075, undated
Spring Plate Spring Plankless Truck, undated Bookmark Collection Context University of Connecticut -Archives and Special Collections at the Thomas J. Dodd Center New Haven Railroad Historical and Technical Association Collection, undated, 1860-1986Series V: Operations, undated, 1865-1975Subseries 3: Drafting, undated, 1951-1962Locomotive blueprints/diagrams, drafting work, date sketches, standard sketches, undatedDrawings 21411-26075, undated
Spring Plate Truck, undated Bookmark Collection Context University of Connecticut -Archives and Special Collections at the Thomas J. Dodd Center New Haven Railroad Historical and Technical Association Collection, undated, 1860-1986Series V: Operations, undated, 1865-1975Subseries 3: Drafting, undated, 1951-1962Locomotive blueprints/diagrams, drafting work, date sketches, standard sketches, undatedDrawings 21411-26075, undated