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256:, and combined each colour with the other five colours in turn, each combination having three intermediate grades, resulting in four steps: this would generate 15 linear scales. Sampayo's system is the first fully coloured system of one-dimensional simple hue and tint/shade scales as well as a gray scale.
225:, and it was around this time, during his stay in Malta, that he started working on colour problems and ended up writing two books on the subject in rapid succession: the first was published in 1787, under the title
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and a judge by profession, Carvalho e
Sampayo became notable as an amateur scientist who authored two important works on the subject of
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202:, to Diogo Lopes de Carvalho and Catarina Teresa de Vasconcelos, of a prominent gentry family. He graduated from the
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174:(28 May 1750 ā 29 December 1807) was a Portuguese nobleman, magistrate, diplomat and scientist. A knight of the
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Sampayo devised a system of six simple colours (white, black, yellow, red, blue, and green), which he called
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214:. He resigned from his post after a conflict with the administrative authorities of the nearby town of
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where he headed the
Portuguese diplomatic representation there, first as
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Color
Ordered: A Survey of Color Systems from Antiquity to the Present
266:(published 1810) includes a general assessment of Sampayo's 1791 book
325:(in Portuguese). Vol. 1. U.Porto Editorial. pp. 550ā554.
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was familiar with
Carvalho e Sampayo's work: his seminal treatise
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Views on
Eighteenth Century Culture: Design, Books and Ideas
229:("A Treatise on Colours"); the second, in 1788, was titled
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FerrĆ£o, Leonor; Bernardo, LuĆs Manuel A. V. (2015).
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352:. Oxford University Press. pp. 47ā48.
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404:"RelaƧƵes Bilaterais: Espanha ā Titulares"
346:Kuehni, Rolf G.; Schwarz, Andreas (2008).
268:MemĆ³ria sobre a FormaĆ§Ć£o Natural das Cores
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120:Maria CĆ¢ndida de Albergaria e Vasconcelos
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210:, later, in 1783, serving as a judge in
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410:. MinistĆ©rio dos NegĆ³cios Estrangeiros
246:DissertaĆ§Ć£o sobre as Cores Primitivas
231:DissertaĆ§Ć£o sobre as Cores Primitivas
190:Carvalho e Sampayo was born in the
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194:, a manor house in the city of
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461:18th-century Portuguese judges
319:Bernardo, LuĆs Miguel (2005).
273:Starting in 1789, he moved to
244:Sampayo's 15 linear scales in
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466:University of Coimbra alumni
322:HistĆ³rias da Luz e das Cores
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172:Diogo de Carvalho e Sampayo
34:Diogo de Carvalho e Sampayo
22:Diogo de Carvalho e Sampayo
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258:Johann Wolfgang von Goethe
221:At age 35, he joined the
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289:ambassador extraordinary
285:minister plenipotentiary
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204:University of Coimbra
109:University of Coimbra
456:Portuguese diplomats
293:Wilhelm von Humboldt
233:("A Dissertation on
451:People from Lamego
408:Portal DiplomƔtico
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287:, and finally as
280:chargƩ d'affaires
263:Theory of Colours
235:Primitive Colours
227:Tratado das Cores
206:where he studied
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146:Scientific career
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412:. Retrieved
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283:, then as a
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192:Casa do PoƧo
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80:Casa do PoƧo
74:(1807-12-29)
54:Casa do PoƧo
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441:1807 deaths
436:1750 births
50:28 May 1750
430:Categories
299:References
180:chromatics
46:1750-05-28
186:Biography
200:Portugal
88:Portugal
62:Portugal
414:2 April
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275:Madrid
248:, 1788
196:Lamego
156:Optics
152:Fields
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115:Spouse
84:Lamego
58:Lamego
137:)
129:(
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416:2019
384:ISBN
354:ISBN
327:ISBN
237:").
135:1806
69:Died
40:Born
208:Law
432::
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368:^
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131:m.
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