On Platina.
November 16, 2013
Russia, 1889
188
9
: 1 Troy Ounce Platinum (SPb mkt) = 13.8613
руб Kr.
188
9
: Pt Yield =
160.9
Poud
= 6,436
Funt
= 84,740 Ozt.= 2,636 Kgs.
Citation:
Archives des sciences physiques et naturelles
, Vol. 15 1903
1889? or earlier
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