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" Domingo, some years ago, the following criterion to ascertain invariably the correct fermentation of the indigo. It is only requisite to write on white paper with the matter to be examined. If this ink be of very high colour it is a proof that the fermentation... "
Travels in South America, during ... 1801, 1802, 1803, and 1804. Transl - Page 413
by François Raymond J. de Pons - 1807
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Report of the Committee of the African Institution, Issues 1-6

African Institution (London, England). - 1807
...liquid, and the numerous flies which fly over it, are signs to which the indigo-maker* of Terra Firma attach most weight. . There was published at St. Domingo,...liquid has lost its colour." This was pronounced an infallible index to shew the true point of fermentation. This test had its time and its tnode : but...
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Report of the Committee of the African Institution, Volume 6

African Institution (London, England) - 1812
...liquid, and the numerous flies which fly over it, are signs to which the indigo-makers of Terra Firma attach most weight. There was published at St. Domingo,...liquid has lost its colour." This was pronounced an infallible index to shew the true point of fermentation. This test had its time and its mode; but the...
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Colombia: Being a Geographical, Statistical, Agricultural ..., Volume 2

Alexander Walker (Writer on Colombia) - 1822
...are signs to which the indigo-makers of Tierra Firme attach most weight. There was published at San Domingo, some years ago, the following criterion,...liquid has lost its colour. This was pronounced an infallible index to shew the true point of fermentation. This test had its time and its mode ; but...
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Colombia: Being a Geographical, Statistical, Agricultural ..., Volume 2

Alexander Walker, Colombia. [Appendix.]. - 1822
...are signs to which the indigo-makers of Tierra Firme attach most weight. There was published at San Domingo, some years ago, the following criterion,...liquid has lost its colour. This was pronounced an infallible index to shew the true point of fermentation. This test had its time and its mode ; but...
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Colombia; siendo una relacion geografica, topografica ..., Volume 2

Alexander Walker - 1822
...are signs to which the indigo-makers of Tierra Firme attach most weight. There was published at San Domingo, some years ago, the following criterion,...liquid has lost its colour. This was pronounced an infallible index to shew the true point of fermentation. This test had its time and its mode ; but...
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Sketch of the Mosquito Shore: Including the Territory of Poyais, Descriptive ...

Thomas Strangeways - 1822 - 355 pages
...destroys the colour. Some years ago, the following criterion was published at St Domingo, for ascertaining invariably the correct fermentation of the indigo....liquid has lost its colour. This was pronounced an infallible index to shew the true point of fermentation. When these signs are perceived, they indicate...
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Report of the Directors ..., Volumes 6-9

Africa Institution, London - 1812
...liquid, and the numerous flies winch fly over it, are signs to which the indigo-makers of Terra Firma attach most weight. There was published at St. Domingo,...liquid has lost its colour." This was pronounced an infallible index to shew the true point of fermentation. This lest had its time and its mode; but the...
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