1791: 1 Troy Ounce platina (UK: 70% ore, retail purchase) = £0.3291
1791: 1 Troy Oz. Pt (UK: 70% ore, .999) ~ £0.47
Showing posts with label 1791. Show all posts
Showing posts with label 1791. Show all posts
July 5, 2014
UK, 1791
Joseph Priestley's Birmingham laboratory was destroyed by rioters and fire in July 1791. Assuming the insurance claim's weight avoirdupois,
1791: 1 Troy Ounce platina (UK: 70% ore, retail purchase) = £0.3291
1791: 1 Troy Oz. Pt (UK: 70% ore, .999) ~ £0.47
1791: 1 Troy Ounce platina (UK: 70% ore, retail purchase) = £0.3291
1791: 1 Troy Oz. Pt (UK: 70% ore, .999) ~ £0.47
January 14, 2014
1791
According to an August 1791 Letter of Seguin, the French were accumulating "100 Livres"
(48.95 Kgs = 1,573.8 Ozt) platina for the construction of weights & measures in Platinum.
Where 1 Paris Marc = 244.753 Grammes = 7.869 Ozt cost L.T. 64,
1791: 1 Troy Ounce platina (trade: Gengembre's ore) = L.T. 8.13
Citation: Oeuvres, Vol. 6; Antoine Laurent Lavoisier, France. Ministère de l'éducation nationale (18 ) p.679
Uncertain: assuming per libra, c.1790-5? : 1 Troy Ounce platina (Choco source) = £0.1690
Germany, 1791: 8 days travel from Paris. Leipzig Price.
Garbling the name "Rio San Juan del Choco" platina was sold at an exceedingly high rate; where 5 Rthlr was a Louis d'Or, platina cost a Pound Sterling per ounce Troy. This very high cited price - almost certainly a retail price - was more than 3x higher than Jeannety's bulk-rate platina cost, charged for the weight-standards.
November, 1791: Platina was 3x as expensive in Leipzig as London and the price would fall more than 2/3rds by 1819
Late December, 1791: 1 Troy Oz. platina (ore, retail) = Rthl 6.38 (£ 1.02; Fr 25.50 - 27.) ~ Fr 41.63; £1.038; M 13.19
~Three Dutch or German Ducats ; 19 Hamburg Marks
Although not specified as such, Priestly's price-weight is entirely consistent with platina ore at avirdupois. Where 8 ounces avd = 7.292 English Troy Ounces,
"Richard Knight and His Production of Malleable Platinum"(PMR Vol. 29, #1, 1985; p. 30)
Priestley was also sufficiently interested in platinum to purchase a modest amount; his claim for compensation after the destruction of his house and laboratory on July 14, 1791 includes the item “Half a pound of platinum £ 2 8 s. 0 d.”
c.1791: 1 Troy Ounce of platina (ore) = £0.33
1790, 2 Escudos, Madrid Mint
1807, 2 Escudos, Madrid Mint Stack's - The Vermeule, Ward, and Mexico Maxico Collections, January 11, 2010 Lot # ? :
1791-3: USD$ 1. = L.T. 5.25
1790-94 Exchange Rate
(48.95 Kgs = 1,573.8 Ozt) platina for the construction of weights & measures in Platinum.
Where 1 Paris Marc = 244.753 Grammes = 7.869 Ozt cost L.T. 64,
1791: 1 Troy Ounce platina (trade: Gengembre's ore) = L.T. 8.13
Citation: Oeuvres, Vol. 6; Antoine Laurent Lavoisier, France. Ministère de l'éducation nationale (18 ) p.679
Uncertain: assuming per libra, c.1790-5? : 1 Troy Ounce platina (Choco source) = £0.1690
Germany, 1791: 8 days travel from Paris. Leipzig Price.
Garbling the name "Rio San Juan del Choco" platina was sold at an exceedingly high rate; where 5 Rthlr was a Louis d'Or, platina cost a Pound Sterling per ounce Troy. This very high cited price - almost certainly a retail price - was more than 3x higher than Jeannety's bulk-rate platina cost, charged for the weight-standards.
November, 1791: Platina was 3x as expensive in Leipzig as London and the price would fall more than 2/3rds by 1819
Leipzig.
Mineralogy and even more so Chemistry lovers are hereby made aware
that at the best platina to get is from America and called "Platina del
Pinto" and "del Shouo" ; an ounce will cost up to Rthlr 6.
Christian Friedr. Laminir.
Late December, 1791: 1 Troy Oz. platina (ore, retail) = Rthl 6.38 (£ 1.02; Fr 25.50 - 27.) ~ Fr 41.63; £1.038; M 13.19
~Three Dutch or German Ducats ; 19 Hamburg Marks
Although not specified as such, Priestly's price-weight is entirely consistent with platina ore at avirdupois. Where 8 ounces avd = 7.292 English Troy Ounces,
"Richard Knight and His Production of Malleable Platinum"(PMR Vol. 29, #1, 1985; p. 30)
Priestley was also sufficiently interested in platinum to purchase a modest amount; his claim for compensation after the destruction of his house and laboratory on July 14, 1791 includes the item “Half a pound of platinum £ 2 8 s. 0 d.”
c.1791: 1 Troy Ounce of platina (ore) = £0.33
c.1790: 1 Troy Ounce of Platinum (Paris mfg.) ~ "a bit less than Gold."
"Price of Platinumware depends, as in gold and silver, according to the difficulty and type of work, it is somewhat lower than that of gold."
"Price of Platinumware depends, as in gold and silver, according to the difficulty and type of work, it is somewhat lower than that of gold."
Citation: Naturgeschichte und Technologie: für Lehrer in Schulen und für Liebhaber ...Carl Philipp Funke p.371 (Wien & Prag, 1792) p.373
1790, 2 Escudos, Madrid Mint
Ponterio & Associates, November 16, 2011 Baltimore Auction, Lot # 22472 :
Sold for $632.50
1807, 2 Escudos, Madrid Mint Stack's - The Vermeule, Ward, and Mexico Maxico Collections, January 11, 2010 Lot # ? :
Sold for $690.
1791-3: USD$ 1. = L.T. 5.25
1790-94 Exchange Rate
May 13, 2011
France, 1790 - 1793
Jeannetty was paid L.T. 10.542/Ozt sometime around 1793. Assuming his platina was 70% Pt and without calculating the refining cost,
1793: 1 Troy Ounce platina (ore) = L.T. 10.542
1793: 1 Troy Oz. Pt (.999 Ore) = L.T. 15.06
Citation: Oeuvres, Vol. 6; Antoine Laurent Lavoisier, France. Ministère de l'éducation nationale (18 ) p.679
See French Weights:
1) 23/9/1791: "7 Marcs, 6 Onces, 6 Gros" = 61.74 Ozt or Fr 8.13/Ozt.
2) 5/1/1792: 28 Marcs = 220.383 Ozt, etc. or Fr 9.15/Ozt.
3) Date? : 13 Marcs = 102.3 Ozt, etc. or Fr 6.61/Ozt.
4) Date? : 31 Marcs = 244.062 Ozt, etc. or Fr 12.23/Ozt.
5) 25/5/1793 : 226.375 Marcs = 1781.345 Ozt, etc. or Fr 1.5247/Ozt.
Paid at different rates, the average price paid to Janetty was Fr 10.55/Ozt.
"real or apprehensive; at the same time, everything bought by foreigners, or which can be bought by them, has risen greatly; for instance, the cloth of Abbeville, a French commodity, has risen from 30 livres to 42 livres the aulne"
In 1790, at "45 L.T./Ell" and 1 Livre = £ 0.0365 ∴ 1 English Yard of 'Peignon' cost 37.098 - 39.57 L.T. (=£ 1.354 - 1.44)
In May 1794, when '24 Livres' cost Fr 50. - 55., an Ell of 'Peignon' cost 3 Louis (£ 2.85)
∴ 1 English Yard of 'Peignon' cost Fr 123.66 - 131.90 (=£ 2.35) ; Fr 56.14 = £ 1.
Had the May 1794 Paris Price of manufactured Platinum likewise risen 62.63% from 1790,
1793: 1 Troy Ounce platina (ore) = L.T. 10.542
1793: 1 Troy Oz. Pt (.999 Ore) = L.T. 15.06
The French Government purchased 75.038 Kgs of platina for Fr. 8,895
1791-1793: 1 Troy Ounce platina (ore) = L.T. 3.687
Assuming a par value 'Franc'/Livre, the French government price paid for platina 1791-93 was rather low:
1791-1793: 1 Troy Ounce platina (ore) = L.T. 3.687
Assuming a par value 'Franc'/Livre, the French government price paid for platina 1791-93 was rather low:
1791: 1 Troy Ounce platina (ore) = Fr 8.13 (USD$ 1.60)
1792: 1 Troy Ounce platina (ore) = Fr 9.14 (USD$ 1.50)
1793: 1 Troy Ounce platina (ore) = Fr 7.88 (USD$ 1.69)
See French Weights:
1) 23/9/1791: "7 Marcs, 6 Onces, 6 Gros" = 61.74 Ozt or Fr 8.13/Ozt.
2) 5/1/1792: 28 Marcs = 220.383 Ozt, etc. or Fr 9.15/Ozt.
3) Date? : 13 Marcs = 102.3 Ozt, etc. or Fr 6.61/Ozt.
4) Date? : 31 Marcs = 244.062 Ozt, etc. or Fr 12.23/Ozt.
5) 25/5/1793 : 226.375 Marcs = 1781.345 Ozt, etc. or Fr 1.5247/Ozt.
Paid at different rates, the average price paid to Janetty was Fr 10.55/Ozt.
"real or apprehensive; at the same time, everything bought by foreigners, or which can be bought by them, has risen greatly; for instance, the cloth of Abbeville, a French commodity, has risen from 30 livres to 42 livres the aulne"
In 1790, at "45 L.T./Ell" and 1 Livre = £ 0.0365 ∴ 1 English Yard of 'Peignon' cost 37.098 - 39.57 L.T. (=£ 1.354 - 1.44)
In May 1794, when '24 Livres' cost Fr 50. - 55., an Ell of 'Peignon' cost 3 Louis (£ 2.85)
∴ 1 English Yard of 'Peignon' cost Fr 123.66 - 131.90 (=£ 2.35) ; Fr 56.14 = £ 1.
Had the May 1794 Paris Price of manufactured Platinum likewise risen 62.63% from 1790,
April 23, 2010
Pre-1800: Refined Platinum as expensive as Gold
Unknown: 'Dutch forgers' created fake Gold coins. There was clearly a black market for platina.
Citation: Diccionario universal de Física, Vol. 7 ;Mathurin-Jacques Brisson, 1801 p.457
1780: Population in Citara (Quibdo) neglible; 1,500 c.1850
Citation: Rough notes on an exploration for an inter-oceanic canal route ... ; John Cresson Trautwine (1854) p.37
Platina accumulated as waste at Quibdo, prior to 1780:
1785:
Citation: Diccionario universal de Física, Vol. 7 ;Mathurin-Jacques Brisson, 1801 p.457
1780: Population in Citara (Quibdo) neglible; 1,500 c.1850
Citation: Rough notes on an exploration for an inter-oceanic canal route ... ; John Cresson Trautwine (1854) p.37
Platina accumulated as waste at Quibdo, prior to 1780:
1785:
The high cost of Platinum may be ascertained from the specula of period telescopes, an extraordinarily expensive item in the late 18th C.
1800:
London, 1780s - 90s: Platinum as expensive as Gold.
At the Royal School of Minerolgy in Madrid, from 1787 - 1808 Chabaneau reportedly produced 14,000 - 18,000 Troy Oz. of refined Platinum annually.
1783:
1785-9:
1800:
c.1798:
Citation: The Philosophical magazine: comprehending the various branches of ..., Volume 6 (1800) p.1
Citation: The National register (1830) p. 365
1787-1802: Telescopes specula not pure Platinum
In December 1789, Jeannetty claimed to sell Platinum for 30 Livres Tournois per Once.
Where 6 Crowns = 30 Livres or 30.48 Livres per Ozt., there were 7.225 ozt Ag per Ozt Pt.
In Philadelphia money, £2.27 per Ozt. Pt.
At the presumed rate of ~USD $12.08/libra castellano, this citation in Pounds Sterling appears to be the highest Colombian source price for the period.
c.1765
LF Capitán-Vallvey (PMR, 1989) notes the Gold-refining cost for platina-gold ore was 3 reales, 12 maravedis per castellano, or
~1765: 1 Troy ounce of Platinum (refining cost) @ Colombia ~S$ 2.33
c.1760: platina price rose much higher than the price of Silver (-1755?)
c.1757: 1 troy ounce of platina (ore) @ Paris ~Fr 160. (USD$ 29.10)
Citation: The Journal of science and the arts, Vol. 3, By Royal Institution of Great Britain, p.259
c.1749 : Platina about the same price as Silver, in the Spanish West Indies.
A gentleman of Jamaica bought five pounds of it at Carthagena for less than it's weight of silver ; and it was formerly sold for a much lower price.
Where 5 Lbs avd. (= 5 Libras = 72.92 Ozt = 2.268 Kgs) and J£ 1.40 = £ 1.
1726:
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