USA,1875: McKesson & Robbins Catalogue; Platinum Still Cost

1874: 1 Troy Ounce of Platinum (market) = USD$ 8.71
1874: 1 Troy Ounce of Platinum (retail) = USD$ 14.40  

1876: 1 Troy Ounce of Platinum Alloy (dental: semi-mfg, whols.) = USD$ 8.50

McKesson and Robbins, Inc. Prices current of drugs and druggists’ articles, chemical and pharmaceutical preparations, (1875) p.31

Platinum Foil 1/8th oz., $1.50 - 1.60

Platinum Wire 1/8th oz., $1.25 - 1.35

1875: 1 Troy Ounce Platinum (semi-mfg) = $ 10. - 12.80 (USD$ 11.49 - 14.71)

1875: 1 Troy Ounce Palladium (semi-mfg) = $120. -  134.40 (~USD$ 155. -165.)

1875:  Platinum Still Cost

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 Ounce of Platinum (market) = USD$ 8.71
1874: 1 Troy Ounce of 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.  

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

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

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

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

Citation: The Dental Cosmos, A Monthly Record of Dental Science,  By James A. White (1876) p. 709

Citation: Samuel S. White Catalogue of Dental Instruments and Equipment,  By Samuel Stockton White, Audrey B. Davis (1876) p. 269

 

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