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An
Imp3 tech tree, by sPiros
All
notes taken by: Asimov’s
Chronology of Science and Discovery
© 1989 – 1996 Isaac Asimov – Harper &
Row Publishers
(ISBN 960-524-026-2)
1180:
Construction of windmill in Europe
Result: All farm’s can upgraded (Level 1)
1228:
Coal extraction
Result: Gain research point’s in Industry Technology.
1249:
Use of gunpowder in Europe
Result: Musket’s can be invented.
1346:
Canon invented
Result: A) Artillery can be built, B) Ships can carry canons
– Gain research points in Naval Tactics.
1439:
Artillery improved
Result: Field artillery can be built – Gain points
in Military Technology.
1450:
Musket invented
Results: Musketeers can be built - Barracks can be upgrade
– Gain points.
1492:
Discovery of New World
Result: Mission can be built. Large ships can be built.
Gain points in Naval and Social Technology.
1497:
Europe discovers India
Result: Improves Trade routes – Trader ships can be
built,.
1556:
Tobacco imported in Europe
Result: Improve workers production
1568:
Geography and mapmaking
Result: Clipper ships can be design - Gain points in Naval
Tech
1589:
Jenny Speed invented
Result: Wool from sheep’s can be used in Textile Industry.
1620:
Use of transport wagons
Results: Roads can be upgraded
1640:
Charcoal can made from coal
Result: Gain points in Industry Tech.
1645:
Air pump invented
Result: Using in mines can improve production. Gain points
in Industry Tech and Social Works.
1679:
Steam pot invented
Result: Improves Food and worker production –
Food Industry can setup.
1698:
Steam pump invented
Result: Can be used in mines. All mines can be upgraded
in level 2.
1709:
Charcoal used in Iron foundry
Result: Gain points in Industry Tech.
1712:
Steam engine invented
Result: Railroad can be design. Can be used in Industry.
1747:
Cure of scurvy with balanced food
Result: Gain points in Naval Tech.
1767:
Steam engine improved
Result: Experimental use in mines, railroad and naval.
1781:
INDUSTRIAL REVOLUTION – Steam engine finalized
Result: Use in mines, railroad and naval. Gain points in
Industry, Military and Naval Industry
1787:
Construction of 1st Steam Boat
Result: Gain points in Naval Tech. Large cargo ships can
be design.
1795:
Canned food developed
Result: Gain points in Social Tech. Production can be upgraded.
All military units (Army & Navy) gain research points.
1800:
Batteries invented – Lighting by Gas
Result: Mines and workers can work more efficiency.
1804:
Appearance of the 1ST steam wagon rolling on rails
Result: Gain points in Industry Research. These will lead
in railroad development.
1815:
Road construction improved
Result: More resources can be traveled.
1824:
Cement improved – Railroad for commercial use
Result: The cement it will lead in to town upgrade and the
railroad to industry and commercial use. Gain points in
Social and Industry Research.
1827:
Construction of 1st turbine – Propeller invented
Result: It will lead in upgrading all naval units. Gain
points in Naval Research.
1831:
Electric generator & engine invented
Result: It will lead in town upgrade. Gain points in Industry
research.
1835:
Colt gun invented
Result: It will lead in army developed. Light cavalry
can be built.
1838:
Morse code
Result: It lead in to city upgrade. Applies to Naval units.
Gain points in Social and Naval Research.
1841:
Rifles invented
Result: It will lead in army developed. Heavy cavalry can
be built. Musketeers can upgraded.
1842:
Chemicals for farmers
Result: All farms and orchards can upgrade to level 2.
1846:
Sewing machine invented
Result: Textile Industry output are doubled.
1852:
Elevator invented
Result: Applies to mines. The mines can be upgrade to level
3.
1859:
1st oil drill made by E.L Drake – Kerosene lamp
improved
Result: It will lead to improve Industry. Gain points in
Industry and Social Research.
1860:
Internal combustion engine
Result: Gain points in Industry, Military (Army & Navy)
Research
1862:
Machine gun invented – Armored war ship can
be constructed
Result: New army units can be built. Ironclads can be built.
1866:
Dynamite invented
Result: Improve railroad and road construction.
1876:
Internal combustion engine invented
Result: Gain points in Industry Research.
1879:
Electric light invented
Result: Applies to mines and City upgrade.
1883:
Steel – Maxim machine gun invented
Result: Mines can be upgraded to level 4. Heavy infantry
can be built.
1885
& 1887: Construction of 1st car with internal combustion
engine – Tires invednted
Result: It will lead into road upgrade. Gain points in Industry
Research.
1897:
Diesel internal combustion engine invented
Result: All naval units can be upgraded and new army
units can be built.
1901:
Radio
Result: Improve communications.
spiros
April 2004
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