Ref
The platinum capsule described in the 1836 Griffin manual approximates the Item 1741c #5 @ 6s. The price appears nearly the same.
Estimated weight of a Platinum capsule 1 in. dia/0.3 in deep, no cover ~
c. 1838:
Citation: A manual of chemistry: containing the principal facts of the science, in the ...By John White Webster (1839)
c. 1852:
Citation: Minutes of the Committee of Council on Education, with appendices, Vol. 1 By G.B. Committee on Education (1853) p.186
1864:
Examining various ore, import, wholesale & retail prices shows the RETAIL MANUFACTURED price was ~90% greater than the wholesale/import price for Platinum products sold in the USA.
1883/4: Medium-sized Capsule (~28cc?) price = USD$14.00/oz.
Citation: Engineering and mining journal, Vol. 39 (1885) p.278
No comments:
Post a Comment