The Philadelphia rod is a popular leveling rod used by surveyors, made of metal or wood with two sections that can slide to adjust reach. It is used for accurate surveying and can be graded in metric or US measurements. The construction includes a brass sleeve and removable faceplates for maintenance. A Philadelphia rod is […]
The Philadelphia Stock Exchange is the oldest stock exchange in the US, offering trading in index, stock, and currency options. It was sold to NASDAQ OMX in 2008, increasing its size and trading volume. Visitors can take tours of the exchange, and traders must comply with trading floor rules. The Philadelphia Stock Exchange is a […]
The Philly sandwich originated in the 1930s as a steak sandwich without cheese, but later evolved to include Cheez Whiz as a topping. Variations include pizza steaks and toppings like green peppers and mushrooms. Authenticity is difficult to replicate outside of Philadelphia. The Philly sandwich is often called a Philly cheesesteak or just a philly, […]
The Philadelphia Convention, held in 1787, aimed to address the issues of the Articles of Confederation. Delegates drafted a new government plan, the United States Constitution, which strengthened the federal government and preserved state laws. Compromises were made between those who wanted a stronger federal government and those who defended the rights of states. The […]
The Philadelphia Experiment, allegedly conducted by the US Navy in 1943 to make a ship invisible, is surrounded by conflicting reports and skepticism. The Navy denies its occurrence, and inconsistencies in the timeline and witness credibility add to doubts. The story inspired books, movies, and TV shows. Also known as “Project Rainbow,” the Philadelphia Experiment […]
