Displaying results 281 of 300 - 559
| Date | Innovation | City | State | Country | Society |
|---|---|---|---|---|---|
| 1811-1839 | National Road | Wheeling | WV | USA | ASCE |
| 1929 | Navajo Bridge | Page | AZ | USA | ASCE |
| 1794 | New Castle Ice Harbor | New Castle | DE | USA | ASCE |
| 1928 | Newark Airport | Newark | NJ | USA | ASCE |
| 1969 | Newell Shredder | San Antonio | TX | USA | ASME |
| 1970s | NMR and MRI: Applications in Chemistry and Medicine | Stony Brook | NY | USA | ACS |
| 1936 | Norris Dam | Knoxville | TN | USA | ASCE |
| 1908 | Northern Pacific High Line Bridge No 64 | Valley City | ND | USA | ASCE |
| 1896 | Northampton Street Bridge | Easton | NJ | USA | ASCE |
| 1962 | NS Savannah | Baltimore | MD | USA | ASME |
| 1901 | Nucleic Acid and Protein Chemistry Research at Rockefeller University | New York | NY | USA | ACS |
| 1943 | "Old Red" Cotton Picker | Washington | DC | USA | ASABE |
| 1900 | Discovery of Organic Free Radicals by Moses Gomberg | Ann Arbor | MI | USA | ACS |
| 1900 | Peavey-Haglin Concrete Grain Elevator | St. Louis Park | MN | USA | ASCE |
| 1878 | Pelton Impulse Water Wheel | Camptonville | CA | USA | ASCE |
| 1940 | Pennsylvania Turnpike (Old Section) | Harrisburg | PA | USA | ASCE |
| 1901 | Philadelphia City Hall | Philadelphia | PA | USA | ASCE |
| 1801 | Philadelphia Municipal Water Supply | Philadelphia | PA | USA | ASCE |
| 1902 | Pin-Ticketing Machine | Miamisburg | OH | USA | ASME |
| 1876 | Pioneer Oil Refinery California Star Oil Works | Newhall | CA | USA | ASME |
