“The United States Gazetteer,” the first in this country, was compiled by Joseph Scott, and printed by Bailey at 116 Market Street, Philadelphia, in the year 1795.

The “First American Edition” of Shakespeare’s complete works was issued in Philadelphia in 1795, by Bioren and Madan.

To “Ambroise & Company,” Mulberry Street (now Arch Street), between Eighth and Ninth, belongs the honor of being the first in America to manufacture inflammable gas and exhibit the effect of gas light. This exhibition took place in August, 1796, in connection with a pyrotechnic display.

Philadelphia introduced the first municipal water works in America, using a steam pump. Ground was broken March 12, 1799; the first brick was laid May 2, 1799; the first pipe (which was of wood) was put in place June 18, 1799; and the same day was begun the foundation of the engine house in Centre Square. The first water was sent through the pipes January 27, 1801.

The first person to make “artificial mineral water,” or soda water, in America, was John Hart, a Philadelphia druggist. He did this about the beginning of the Nineteenth century (exact date not known), at the suggestion of Dr. Physick, to imitate waters found in certain mineral springs.

The first United States Navy Yard was established in Philadelphia in 1800. It occupied about twelve acres and extended from Prime Street (now Washington Avenue) to Wharton Street, and from Front Street to the Delaware River. In 1875 it was moved to League Island and the old property sold.

The first frigate of the United States Navy, the Philadelphia, was built in 1800, by Joshua Humphreys, near Washington Avenue.

The first mercurials made in the United States were produced in 1801 by Dr. Adam Seybert, a druggist, whose shop was at 168 North Second Street.

The oxy-hydrogen blowpipe was invented in 1801, by Professor Robert Hare of Philadelphia.

Charles Eneu Johnson, in 1804, produced the first printing ink made in America. His firm is still in business and is known as Charles Eneu Johnson & Company.