1840/1: 1 Troy Ounce Platinum (London: Semi-Mfg, Ret.) = £ 1.50 (USD$ 7.17)
1841: 1 Ozt. Platinum (Glasgow: Semi-Mfg, Ret.) = £ 2.-2.25 (USD$ 9.56.-10.75)
1841: 1 Ozt. Platinum (Glasgow: Mfg, Ret.) = £ 2.50? (USD$ 11.95)
Glasgow retail prices for London manufactures were generally 25% higher. In Griffin's Glasgow Catalogue, Daniel's Constant Galvanic Battery (Item #325) appears 88% more expensive than Palmer's (Fig. 160, p.40); no Grove's Batteries were offered.
A standard crucible then used by an operative chemist was 0.408625 Ozt.
The 1/2 Imperial Fl. Oz Crucible had a Cover that was ~47% of the total price.
By assumption, Platinum Foil (0.5 x 4.0 In.) cost £0.0667; dubious but if 1.725 Grams,
1840/1: 1 Troy Ounce Platinum (London: Semi-Mfg, Ret.) = £ 1.20
Catalogue published in 1841; addendum to 1844 book
Citation: Elements of Agricultural Chemistry; Sir Humphry Davy, John Shier (1844)
#457 "Contents. 1 Ounce" corresponds exactly to Griffin's Evaporating Basin of 360 Grains (0.75 Ozt.; 23.33 Gr.) @ £ 1.50/Ozt., too low to be correct; in London 35 years later, Griffin sold Platinumware £ 2.50/Ozt. Manufactures were not cheaper than thick Plate Wire or wire, already @ >£ 2.00/Ozt.
#462 "Contents. 7 Ounce" corresponds to an Evaporating Basin of 66 Grams (2.122 Ozt.) 200 cc 67 Gram, so @ £ 1.90/Ozt.
Weights:
Spongy Platinum Wick
1841: 1 Ozt. Platinum (Glasgow: Semi-Mfg, Ret.) = £ 2. - 2.25
1843: Glasgow trade prices were 50% lower than London, for Scottish goods; ~100% higher for London manufactures,
In 1840, the UK catalogue price for a small single Grove Battery (of a 6-Set) was £ 0.2917 (USD$ 1.46) ; the larger Battery cost £ 0.4167 (USD$ 2.08).
1841: 1 Ozt. Platinum (Glasgow: Semi-Mfg, Ret.) = £ 2.-2.25 (USD$ 9.56.-10.75)
1841: 1 Ozt. Platinum (Glasgow: Mfg, Ret.) = £ 2.50? (USD$ 11.95)
Glasgow retail prices for London manufactures were generally 25% higher. In Griffin's Glasgow Catalogue, Daniel's Constant Galvanic Battery (Item #325) appears 88% more expensive than Palmer's (Fig. 160, p.40); no Grove's Batteries were offered.
A standard crucible then used by an operative chemist was 0.408625 Ozt.
The 1/2 Imperial Fl. Oz Crucible had a Cover that was ~47% of the total price.
By assumption, Platinum Foil (0.5 x 4.0 In.) cost £0.0667; dubious but if 1.725 Grams,
1840/1: 1 Troy Ounce Platinum (London: Semi-Mfg, Ret.) = £ 1.20
Catalogue published in 1841; addendum to 1844 book
Citation: Elements of Agricultural Chemistry; Sir Humphry Davy, John Shier (1844)
#457 "Contents. 1 Ounce" corresponds exactly to Griffin's Evaporating Basin of 360 Grains (0.75 Ozt.; 23.33 Gr.) @ £ 1.50/Ozt., too low to be correct; in London 35 years later, Griffin sold Platinumware £ 2.50/Ozt. Manufactures were not cheaper than thick Plate Wire or wire, already @ >£ 2.00/Ozt.
#462 "Contents. 7 Ounce" corresponds to an Evaporating Basin of 66 Grams (2.122 Ozt.) 200 cc 67 Gram, so @ £ 1.90/Ozt.
Weights:
Spongy Platinum Wick
1841: 1 Ozt. Platinum (Glasgow: Semi-Mfg, Ret.) = £ 2. - 2.25
1843: Glasgow trade prices were 50% lower than London, for Scottish goods; ~100% higher for London manufactures,
In 1840, the UK catalogue price for a small single Grove Battery (of a 6-Set) was £ 0.2917 (USD$ 1.46) ; the larger Battery cost £ 0.4167 (USD$ 2.08).
In 1848, the New York catalogue price for a small Grove Battery was USD$ 1.13 ; the medium cost $1.38 and the larger size cost USD$ 1.63.
1840/1: 1 Ozt, Platinum (Refined, Retail) = £ 1.50 (USD$ 7.17)
1839/40:
Citation: Elements of electro-metallurgy, or, The art of working in metals ... Alfred Smee (1841) pp.
At the rate cited by Smee in 1839, £ 1.00 of Platinum would electroplate 1,280 sq. in. ; and £ 0.01 would electroplate 12.8 sq. in.
Citation: Philosophical magazine (1840), p.316
1839: Grove's first Battery had a 6" x .07143" (1/14th not 1/56th) piece of Platinum wire (est. weight: troy ounce); the battery components (excl. Platinum) cost an estimated £
1840: 1 Troy Ounce Platinum (Semi-Mfg, Retail) = ~£ 2. (USD$ 9.??)
Citation: The Literary gazette: A weekly journal of literature, science ..., Vol. 23 By Henry Christmas (1840), p.552
December, 1841:
1840: 1 Ozt. Platinized Silver Foil (semi-mfg, retail) = £ 0.50
Citation: The Penny Mechanic and Chemist: A Magazine of the Arts and Sciences (December 1841) p.440
In 1841, Rhodium pens had long been sold for £ 0.50; the 1825 price was £ 0.75. Sometime between 1825-41, the price fell by one-third.
1841:
1848 (USA):
c.1841: Curious early report of Russian withdrawal of Platinum Coinage
Citation: Elements of Chemistry: Including the Most Recent Discoveries ...Robert Kane (1842) p.668
Platinum in Solution,
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