https://collections-static-3.mcny.org/Collection/Method of Laying Narrows Siphon [Catskill System.]-24UAKVMRKGV.html Larger image42.172.59Method of Laying Narrows Siphon [Catskill System.]Date:1915-1917Illustration drawn by Charles Delmont in 1915. Photograph album made from 1913-1917 when donor William Williams (1862-1947) was Commissioner of New York City's Department of Water Supply, Gas, and Electricity under Mayor John Purroy Mitchel (1879-1918).photograph albumpaper (fiber product)stat (copy)File dimensions:5500px × 4570pxSelect usageWhat Type of Order?Add to lightboxKeywords:Civil engineeringScientific illustrationsThe Narrows (New York, N.Y.)VesselsWaterworks