USA, 1874: Dentist Price

1874: 1 Troy Ounce platina (Export, Ore) = $ 3.234/ USD$ 3.60 (C$ 3.546)
1874: 1 Troy Oz. Pt (Export, .999) = $ 3.90/ USD$ 4.33 (C$ 4.272)
  
1874: 1 Troy Oz. Pt (Ural: .999, Mkt/Poud) = $ 6.63/USD$ 7.38 (11.115 руб Kr.)  
1874: 1 Troy Oz. Platinum (UK: Ingot, Whols.) = $ 6.12/USD$ 6.81       (£ 1.26)
1874: 1 Troy Oz. Platinum (UK: Semi-Mfg., Ret.) = $ 7.30/USD$ 8.12  (£ 1.50) 
 
1874: 1 Troy Ounce platina (ore) = $ 6. - 7.

1874: 1 Troy Oz. Platinum Alloy (Dental: Semi-Mfg, Trade) = $ 8.50
1874: 1 Troy Oz. Platinum Alloy (Battery: Foil, Trade) = $9.50

1874: 1 Troy Oz. Platinum (Scrap, Paid) = $ 5. 

1874: 1 Troy Oz. Silver (pure, whols.) = USD$ 2. / $2.24

1874: 1 Troy Oz. Gold (pure, whols.) = USD$ 22.40 / $ 25.09

Citation: Electrician and mechanic, Vol. 26, Ed. Edward Trevert, Arthur Eugene Watson p.324

Citation: The Dental Cosmos, A Monthly Record of Dental Science, James A. White (1874) p.690

Platinum alloys of 'dental plate' were between 5% - 35% other metals.  Platine au titre was 65% - 83% Silver.

From The Scientific American August 8 1874:
Q. What Is the coat of a strip of platinum, such as is used in a Grove battery? 

A. It depends upon the size of cell. Platinum is worth about 28 cents per gramme, or between 2 and 3 cents a grain.

1874: 1 Troy Oz. Platinum (market) = USD$ 8.71
1874: 1 Troy Oz. Platinum (retail) = USD$ 14.40 

A major vendor of Platinum, S.S. White Co. had a (specie) price reduction in 1875, then another to currency rates (Greenbacks) in 1876.  

The wholesale premium for pure Silver was >75% ; for pure Gold the wholesale premium was

1877: 1 Troy Ounce of Platinum (semi-mfg, sheet, retail) = USD$ 11.88

1874: 1 Troy Oz. Platinum (semi-mfg, sheet, whols.) = USD$ 8.50 / $9.52

1874: 1 Troy Oz. Silver (market price, Fine) = USD$ 1.27 / $ 1.43

1874: 1 Troy Oz. Silver (pure, whols.) = USD$ 2. / $2.24
1874: 1 Troy Oz. Gold (official price, Fine) = USD$  20.67 / $24.18
1874: 1 Troy Oz. Gold (pure, whols.) = USD$ 22.40 / $ 25.09 

1875: 1 Troy Oz. Platinum (semi-mfg, sheet, whols.) = USD$ 8.50 / $9.77

1875: 1 Troy Oz. Silver (pure, whols.) = USD$ 2. / $2.30

1875: 1 Troy Oz. Gold (pure, whols.) = USD$ 22.40 / $ 25.74

1876: 1 Troy Oz. Platinum (semi-mfg, sheet, whols.) = USD$ 8.50

1876: 1 Troy Oz. Silver (pure, whols.) = USD$ 2. / $ 2.30

1876: 1 Troy Oz. Gold (pure, whols.) = USD$ 22.40  / $ 25.76

Citation: The Dental Cosmos, A Monthly Record of Dental Science ; James A. White (1874) p.690



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