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Dioptra ​反​ア​ン​ト​ニ​ウ​ス​派 (Imperator Augustus)​反​ア​ン​ト​ニ​ウ​ス​派 (Imperator Augustus) ​建​築 Tier 4

Dioptra

From measuring the stars to laying out a road, good tools are always elegant and simple.

The dioptra was first used by the Greek astronomers to fix the position of the stars. However, when this was superseded by a more accurate device, the armillary sphere, it found a new function as a surveying tool. It was a portable instrument that could be used to measure distances, angular measurements or work as a level. The dioptra could assess both the horizontal and vertical planes, allowing for readings of the deviation between two set locations, so offering accurate measurement of any angles involved.

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​建​築

Dioptra

Node Set

​建​築 Tier 4

research_points

1000

cost_per_round

0

Effects

  • -5% ​建​設​費 (​全​て​の​領​土)
  • -10% ​州​都​系​列​と​小​さ​な​街​系​列​の​建​物​の​建​設​費 (​全​て​の​領​土)
  • -1 ​州​都​系​列​と​小​さ​な​街​系​列​の​建​物​の​建​設​に​掛​か​る​ター​ン​数 (​全​て​の​領​土)
Requires
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Enables
Enables Technologies Crane MechanicsCrane Mechanics
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