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In the late 18th century, this "steamy" Scot invented a special ink for copying letters |
(James) Watt
|
$800 |
DJ |
INVENTORS & INVENTIONS |
2008-09-22 |
#5526 |
|
His 1769 patent was for "a new invented method of lessening the consumption of steam and fuel in fire engines" |
James Watt
DD
|
$2,000 |
J |
INVENTIONS |
2003-04-16 |
#4298 |
|
In 1769, he obtained his first patent, a separate condensing chamber & other improvements to the steam engine |
(James) Watt
|
$500 |
J |
INVENTORS |
2001-09-17 |
#3916 |
|
This Scottish engineer had to invent the flyball governor to control the speed of his steam engine |
James Watt
|
$600 |
DJ |
INVENTORS |
1997-01-14 |
#2852 |
|
In addition to steam engine improvements, this Scot developed an ink for copying correspondence |
(James) Watt
|
$400 |
DJ |
SCIENTISTS & INVENTORS |
1995-06-08 |
#2494 |
|
His first invention was the separate condenser, which he later used in his steam engine |
(James) Watt
|
$800 |
DJ |
INVENTORS |
1994-05-12 |
#2244 |
|
Richard Arkwright used this man's steam engine to power textile machinery |
(James) Watt
|
$400 |
J |
INVENTORS |
1993-10-19 |
#2097 |
|
In 1769 he patented a "Method of Lessening the Consumption of Steam & Fuel in Fire Engines" |
James Watt
|
$1,000 |
DJ |
INVENTORS & INVENTIONS |
1993-02-17 |
#1953 |
|
This Scottish inventor originated the term horsepower |
James Watt
|
$400 |
J |
INVENTORS |
1992-07-10 |
#1830 |
|
This developer of the steam engine also invented steam heating as a way to heat his office |
(James) Watt
|
$300 |
J |
INVENTIONS |
1991-05-03 |
#1550 |