James WattJames Watt

1736-18191736-1819

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James WattJames Watt

Born in 1736 in Greenock ScotlandBorn in 1736 in Greenock Scotland

James Sr. and AgnesJames Sr. and Agnes

One of five children to survive past One of five children to survive past the age 24the age 24

ChildhoodChildhood

James was a very serious minded James was a very serious minded childchild

He was very interested with his He was very interested with his aunt’s steam kettleaunt’s steam kettle

Developed his mechanical traits at a Developed his mechanical traits at a very young agevery young age

Over the yearsOver the years

Spent a great amount of time in his Spent a great amount of time in his workroomworkroom

James liked to watch others at workJames liked to watch others at work

He liked to make modelsHe liked to make models

James was very curious about the way James was very curious about the way things workthings work

As time went on James wanted to be a As time went on James wanted to be a manufacturer of scientific instrumentsmanufacturer of scientific instruments

He left Greenock for Glasgow in 1754He left Greenock for Glasgow in 1754

Where he met Professor Robert DickWhere he met Professor Robert Dick

Professor Dick sent James to londonProfessor Dick sent James to london

In LondonIn London

James was to enter an apprenticeship James was to enter an apprenticeship that would take 7 yearsthat would take 7 years

He finished in one yearHe finished in one year

Working 10 hour days Working 10 hour days

A change of luckA change of luck

At the age of 21 James returned to At the age of 21 James returned to Glasgow UniversityGlasgow University

James was hired by the university in James was hired by the university in 1757 to repair broken astronomical 1757 to repair broken astronomical instrumentsinstruments

Students and Staff regarded him as a Students and Staff regarded him as a friend of the University not as an friend of the University not as an employeeemployee

He was known to be able to repair He was known to be able to repair instruments that he had never seen beforeinstruments that he had never seen before

Items such guitars, violins, flutes and even Items such guitars, violins, flutes and even organsorgans

He also went on to build such instrumentsHe also went on to build such instruments

You can still see a wind organ Watt made You can still see a wind organ Watt made for St. Andrews Churchfor St. Andrews Church

James watt was married twice in his James watt was married twice in his lifetime lifetime

His first marriage to Margaret miller His first marriage to Margaret miller in 1764in 1764

His second to Ann McGregor in 1776His second to Ann McGregor in 1776

Had two children with each wifeHad two children with each wife

17641764

A year that will be remembered for A year that will be remembered for James wattJames watt

James was invited by the University James was invited by the University to repair a non-working model of the to repair a non-working model of the Newcomen engineNewcomen engine

This was the start of the Industrial This was the start of the Industrial RevolutionRevolution

The New Watt EngineThe New Watt Engine

The final version was shown in 1778

This engine consumed 1/3Of the steam of the Newcomenengine

Used to pump water from the ground

Double-Acting EngineDouble-Acting Engine

1736 Born in Greenock Scotland1736 Born in Greenock Scotland

1764 Started working on the1764 Started working on the Newcomen engineNewcomen engine1768 Made a prototype of his improved 1768 Made a prototype of his improved steam enginesteam engine

1786 Invented centrifugal governor to1786 Invented centrifugal governor to control engine speedcontrol engine speed

1790 Invented pressure gauge1790 Invented pressure gauge

1800 Retires from the business1800 Retires from the business

1819 The Death of James Watt1819 The Death of James Watt

HorsepowerHorsepower

James watt coined the phrase James watt coined the phrase horsepowerhorsepower

What a horse can doWhat a horse can do

Horsepower is defined as work done Horsepower is defined as work done over timeover time

One horsepower =33,000lb.-ft/One minute

Light bulbLight bulb

Watt’s name is on the light bulb Watt’s name is on the light bulb

A Watt is considered a unit of powerA Watt is considered a unit of power

He didn’t invent the light bulbHe didn’t invent the light bulb

Reference’sReference’s

http://www.top-biography.com/9069-Jhttp://www.top-biography.com/9069-James%20Watt/work.htmames%20Watt/work.htm

http://www.ideafinder.com/history/inhttp://www.ideafinder.com/history/inventors/watt.htmventors/watt.htm

http://www.geocitites.com/athens/http://www.geocitites.com/athens/acropolis/6914/wvae.htmacropolis/6914/wvae.htm