Old Croton Aqueduct

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masonry was laid, sometimes in cuts. Conical ventilating towers, also called shafts, 10 to 20 feet high, were placed every mile or so to relieve pressure and keep the water fresh. [ 9 ] [ 10 ] Every third ventilator (e.g., #3, #6, #9) was built with

Passages from this source (235)

Old Croton Aqueduct (40w)
Old Croton Aqueduct (35w)
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Old Croton Aqueduct (43w)
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Old Croton Aqueduct current
Old Croton Aqueduct (45w)
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Old Croton Aqueduct (39w)
Old Croton Aqueduct (43w)
Old Croton Aqueduct (43w)
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Old Croton Aqueduct (46w)
Old Croton Aqueduct (40w)
Old Croton Aqueduct (40w)
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