Machinery rooms on north tower. Facing north. Machinery rooms contain all motors, motor controllers, and gears for operating one span, in this case, the north span. Note bell with continuous operating clapper for use as fog signals. Henry Ford Bridge, Spanning Cerritos Channel, Los AngelesLong Beach Harbor, Los Angeles, Los Angeles County, CA Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/machinery-rooms-on-north-tower-facing-north-machinery-rooms-contain-all-motors-motor-controllers-and-gears-for-operating-one-span-in-this-case-the-north-span-note-bell-with-continuous-operating-clapper-for-use-as-fog-signals-henry-ford-bridge-spanning-cerritos-channel-los-angeleslong-beach-harbor-los-angeles-los-angeles-county-ca-image248311759.html
RMTBYG53–Machinery rooms on north tower. Facing north. Machinery rooms contain all motors, motor controllers, and gears for operating one span, in this case, the north span. Note bell with continuous operating clapper for use as fog signals. Henry Ford Bridge, Spanning Cerritos Channel, Los AngelesLong Beach Harbor, Los Angeles, Los Angeles County, CA
Photocopy of engineering drawing titled 'Existing Bridge, Two Span Continuous Through Truss' (original in files of District 3-0, Pennsylvania Department of Transportation, Montoursville), 1984 PLAN AND SOUTH ELEVATION - Memorial Avenue Bridge, Spanning Lycoming Creek, Williamsport, Lycoming County, PA; Groton Bridge and Manufacturing Company; Pennsylvania Department of Transportation; Yule, Jordan Associates; Wilson, Nathan D; Corbe, Christine, historian; Mohar, Lawrence, photographer Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/photocopy-of-engineering-drawing-titled-existing-bridge-two-span-continuous-through-truss-original-in-files-of-district-3-0-pennsylvania-department-of-transportation-montoursville-1984-plan-and-south-elevation-memorial-avenue-bridge-spanning-lycoming-creek-williamsport-lycoming-county-pa-groton-bridge-and-manufacturing-company-pennsylvania-department-of-transportation-yule-jordan-associates-wilson-nathan-d-corbe-christine-historian-mohar-lawrence-photographer-image249419951.html
RMTDP1KB–Photocopy of engineering drawing titled 'Existing Bridge, Two Span Continuous Through Truss' (original in files of District 3-0, Pennsylvania Department of Transportation, Montoursville), 1984 PLAN AND SOUTH ELEVATION - Memorial Avenue Bridge, Spanning Lycoming Creek, Williamsport, Lycoming County, PA; Groton Bridge and Manufacturing Company; Pennsylvania Department of Transportation; Yule, Jordan Associates; Wilson, Nathan D; Corbe, Christine, historian; Mohar, Lawrence, photographer
Showing partial side view of swing span in closed position. The two (2) arms act as simple spans, a small amount of negative bending is accommodated by the continous top and bottom truss chords due to a continuous condition. Note the inclined end post of each of the simple spans, the operator's house, center/pivot pier and the pivotal pole-line pole placed atop of bridge. - Bridgeport Swing Span Bridge, Spanning Tennessee River, Bridgeport, Jackson County, AL Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/showing-partial-side-view-of-swing-span-in-closed-position-the-two-2-arms-act-as-simple-spans-a-small-amount-of-negative-bending-is-accommodated-by-the-continous-top-and-bottom-truss-chords-due-to-a-continuous-condition-note-the-inclined-end-post-of-each-of-the-simple-spans-the-operators-house-centerpivot-pier-and-the-pivotal-pole-line-pole-placed-atop-of-bridge-bridgeport-swing-span-bridge-spanning-tennessee-river-bridgeport-jackson-county-al-image256713126.html
RMTWJ85X–Showing partial side view of swing span in closed position. The two (2) arms act as simple spans, a small amount of negative bending is accommodated by the continous top and bottom truss chords due to a continuous condition. Note the inclined end post of each of the simple spans, the operator's house, center/pivot pier and the pivotal pole-line pole placed atop of bridge. - Bridgeport Swing Span Bridge, Spanning Tennessee River, Bridgeport, Jackson County, AL
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