01:23 — Construction on New York's Interborough Rapid Transit, or IRT, began in 1900. William Parsons, the project s chief engineer, used a variety of techniq (more…)
01:07 — Engineer William Parsons wrote, 'Of all human activities, engineering is the one that enters most into our lives.'
Parsons was the Interborough Rapid (more…)
00:20 — One of the most dangerous sections on the Interborough Rapid Transit's route was assigned to a subcontractor, Ira Shaler, who was also a friend of chi (more…)