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The water level at each end of the tube will be at the same elevation, whether the two ends are adjacent or far apart, so a line between them will be horizontal at its midpoint and a shed base, building foundation or similar structure laid out using several such lines will be "horizontal" within building tolerances on any scale over which use ...
A Philadelphia rod is a level staff used in surveying. The rod is used in levelling procedures to determine elevations and is read using a level. A Philadelphia rod consists of two sliding sections graduated in hundredths of a foot. On the front of the rod the graduation increasing from zero at the bottom.
The Philadelphia skyline as seen from Boathouse Row in June 2019 (annotated version) The Philadelphia skyline as seen from the Delaware River in February 2023 Philadelphia, the largest city in the U.S. state of Pennsylvania, is home to more than 300 completed high-rise buildings and skyscrapers up to 330 feet (101 m), and 58 completed skyscrapers of 330 feet (101 m) or taller, of which 34 are ...
Philadelphia Water began this program in 1999 when the Office of Watersheds was created. The Delaware and Schuylkill rivers each make up about half of the Philadelphia area's drinking water supply, and Philadelphia Water delivers about 250 million gallons of this drinking water to customers on a daily basis through its treatment plants.
Notable buildings in Philadelphia's East Center City Commercial Historic District include the Curtis Publishing Co. (1907), Lits Department Store (1891), Strawbridge and Clothier (1868), Gimbels (1894), Benjamin Franklin Hotel (1922), New York Mutual Life Insurance Company Building (1872, 1890), Aldelphia Hotel (1912), Blum Store (1927 ...
Upon completion, the high-rise was the tallest building constructed in Philadelphia since the early 1930s. [2] [3] The rectangular building was 243 feet (74 m) long and 92 feet (28 m) wide, and contained 756,000 square feet (70,000 m 2). Of the thirty-eight floors, thirty-six were occupiable and two were mechanical floors. The structure also ...
Also in the district are eleven 2 + 1 ⁄ 2-story brick rowhouses, with the earliest dated to the 1830s. Notable buildings include the Rebman Building (1903), Stewart Cracker Building (c. 1900), U.S. Tire Company Building (1911), Lasher Building (1927), Philadelphia City Morgue (1928), and Overland Motor Company Building (1910, c. 1940).
HABS—Historic American Buildings Survey projects in Philadelphia. Pages in category "Historic American Buildings Survey in Philadelphia" The following 197 pages are in this category, out of 197 total.