Phineas Davis
Encyclopedia
Phineas Davis was a well-known clockmaker and inventor who designed and built the first practical American coal-burning railroad locomotive
Locomotive
A locomotive is a railway vehicle that provides the motive power for a train. The word originates from the Latin loco – "from a place", ablative of locus, "place" + Medieval Latin motivus, "causing motion", and is a shortened form of the term locomotive engine, first used in the early 19th...

.

Davis lived in York, Pennsylvania
York, Pennsylvania
York, known as the White Rose City , is a city located in York County, Pennsylvania, United States which is in the South Central region of the state. The population within the city limits was 43,718 at the 2010 census, which was a 7.0% increase from the 2000 count of 40,862...

 from 1809 to 1833, where he gained a national reputation as a jeweler, watchmaker and clockmaker. With his partner Jonathan Jessop, Davis invested in an iron foundry in York. This facility constructed the Codorus, the first iron steamboat
Steamboat
A steamboat or steamship, sometimes called a steamer, is a ship in which the primary method of propulsion is steam power, typically driving propellers or paddlewheels...

 made in America. The Codorus, designed by John Elgar, was launched at present-day Accomac (two miles north of Wrightsville
Wrightsville, Pennsylvania
Wrightsville is a borough in York County, Pennsylvania, United States. The population was 2,310 at the 2010 census. Wrightsville borough has a police department, historic society, and a volunteer fire company.- History :According to a plaque at Samuel S...

) on the Susquehanna River
Susquehanna River
The Susquehanna River is a river located in the northeastern United States. At long, it is the longest river on the American east coast that drains into the Atlantic Ocean, and with its watershed it is the 16th largest river in the United States, and the longest river in the continental United...

 on November 22, 1825.

On August 28, 1830, New York inventor Peter Cooper
Peter Cooper
Peter Cooper was an American industrialist, inventor, philanthropist, and candidate for President of the United States...

 had publicly demonstrated his diminutive locomotive, later known as Tom Thumb
Tom Thumb (locomotive)
Tom Thumb was the first American-built steam locomotive used on a common-carrier railroad. Designed and built by Peter Cooper in 1830, it was designed to convince owners of the newly formed Baltimore and Ohio Railroad to use steam engines...

. It successfully hauled 15 tons at 4 miles per hour, and without a load reached speeds in excess of 15 miles per hour. The fledgling Baltimore and Ohio Railroad
Baltimore and Ohio Railroad
The Baltimore and Ohio Railroad was one of the oldest railroads in the United States and the first common carrier railroad. It came into being mostly because the city of Baltimore wanted to compete with the newly constructed Erie Canal and another canal being proposed by Pennsylvania, which...

 (B&O) was impressed with Cooper’s early success, but instead of immediately offering him their business for locomotives, the company planned an open competition with a prize of $4,000. Five prototype locomotives were entered into the contest in early 1831, although Cooper did not participate. Phineas Davis’s design, York, was chosen as the winner. It was a four-wheeled, vertical boiler locomotive that was somewhat similar to Cooper's design, but featured two vertical cylinders that drove vertical main rods. These in turn connected to horizontal side rods that powered the wheels. The first locomotive to burn coal, York was also the first with coupled wheels and a double instead of a single pair of drivers. It weighed 3½ tons and attained velocity by gearing, using a spur wheel and pinion on one of the axles of the wheels. Davis’ upright “cheese boiler” consisted of a water jacket surrounding a central furnace, and a shallow drum suspended above the grates. The drum when viewed through the firedoor was thought to resemble a cheese, thus giving the entire assembly its name.

In September 1831, Cooper proposed building six locomotives based upon his own design for the B&O. The railroad agreed to his proposal, but when he failed to deliver on schedule, Cooper sold his patent to the B&O. Davis soon incorporated some of Cooper’s ideas into an improvement on his York design. Aided by Ross Winans
Ross Winans
Ross Winans was an American inventor, mechanic, and builder of locomotives and railroad machinery. He is also noted for design of pioneering cigar-hulled ships. Winans, one of the United States' first multi-millionaires, was involved in politics and was a vehement states' rights advocate...

, Davis in 1832 constructed a second locomotive that proved to be far more commercially successful than his first. This was the Atlantic
Atlantic (locomotive)
Atlantic was the name of an early American steam locomotive built by Phineas Davis for the Baltimore and Ohio Railroad in 1832.-Design and construction:...

, which employed Cooper's vertical firetube boiler. Built at a cost of $4,500, Atlantic weighed 6½ tons and had two vertical cylinders. Ox teams were used to convey the engine to Baltimore, where it made a successful inaugural trip to Ellicott's Mills, Maryland, a distance of thirteen miles. Nicknamed Grasshopper for its distinctive vertical pushrods, the locomotive carried 50 pounds of steam and burned a ton of anthracite coal on a 40-mile trip from Baltimore. Davis’s 0-4-0
0-4-0
Under the Whyte notation for the classification of steam locomotives, 0-4-0 represents one of the simplest possible types, that with two axles and four coupled wheels, all of which are driven...

 design proved reasonably successful, and 20 such locomotives were constructed at the B&O's Mount Clare Shops
Mount Clare Shops
The Mount Clare Shops is the oldest railroad manufacturing complex in the United States, located in Baltimore, Maryland. It was founded by the Baltimore and Ohio Railroad in 1829. Mt. Clare was the site of many inventions and innovations in railroad technology. It is presently the site of the...

. Some operated for more than 60 years, and were finally retired in the 1890s. One was prominently exhibited at the New York World’s Fair
1939 New York World's Fair
The 1939–40 New York World's Fair, which covered the of Flushing Meadows-Corona Park , was the second largest American world's fair of all time, exceeded only by St. Louis's Louisiana Purchase Exposition of 1904. Many countries around the world participated in it, and over 44 million people...

in 1939.

Phineas Davis was killed when York derailed in 1835 due to defective track. Numerous urban legends have spawned from Davis' demise. Phineas Davis sightings were frequently reported in the regional media of the time period. The last recorded sighting was recorded in an evening edition of the Hanford Post-Gazzette in October 1912. Phineas was reportedly spotted at a market buying several loaves of warm bread.

Phineas' partner, Ross Winans, went on to develop several lines of locomotives incorporating both Davis' and Cooper's designs.

Members of the Engineering Society of York sponsored a pair of memorials to Davis in 1924. An elementary school in York is named for the inventor. A commemorative tablet marks the site of Davis's early shop at the northwest corner of King and Newberry streets in York.
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