1865: 1 Troy Ozt. Platinum (UK: Mfg., Ret. ) = £ 1.65 (USD$ 11.35)
1866: 1 Troy Ounce platina (Wholesale, ore) = £ 0.75 (USD$ 5.16)
c.1866: 1 Troy Ounce platinum (Scrap) = £ 1.00 (USD$ 6.88)
c.1866: 1 Troy Ounce platinum (Scrap) = £ 1.00 (USD$ 6.88)
Citation: Mining and mineral statistics Robert Brough Smyth, YA Pamphlet Collection (Library of Congress (1866) p.59
Citation: The Mechanics' magazine and journal of engineering, agricultural ..., Vol. 14 (1865) p.26
Citation: Mining and mineral statistics, Robert Brough Smyth (1866), p.59
1866: 1 Troy Oz. Platinum (Semi-Mfg, Retail) = £ 1.65 (USD$ 11.35)
1866: 1 Troy Oz. Platinized Silver (Semi-Mfg, Ret.) = £ 0.60 (USD$ 4.13)
Platinum Foil: presumably, 66 Square Inches per Ozt, or ~7.25 Grains (0.47 Grams) per Square Inch.
1866: 1 Troy Oz. Platinum (Evaporating Dish, Ret.) = £ 1.98 (USD$ 13.66)
1866: Assumed 15 cc (0.5 oz) and 23.5 Grams @ £ 1.50
1866: 1 Troy Oz. Platinum (Crucible & Lid, Retail) = £ 1.98 (USD$ 13.66)
Capsule
Platinum Crucibles:
1866: 1 Troy Oz. Platinum (Crucible, Retail) = £ 2. (USD$ 13.76)
Grove's Battery, £ 0.6563 per Element
Gramme Weights:
Grain Weights:
Griffin's Platinum Wire Gauge:
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