1872: 1 Troy Oz. Platinum (mfg, still) ~ £ 0.93; DM 18.66 (USD$ 5.88 - 5.98)

Citation: Chemical news and journal of industrial science, Vol. 26; William Crookes (10/11/1872) p.176
1873: Platinum fell "during the last 15 years" (from 1857.)
April, 1872:
Citation: British Journal of Dental Science, Vol. 15; April 1872, p.235
Citation: The Pharmaceutical journal ...: A weekly record of pharmacy and allied sciences
No comments:
Post a Comment