USA, 1893: Bullock & Crenshaw Catalogue (Philadelphia)

1892: 1 Troy Ounce platina (Colombia: Ore, Export) ~USD$ 12.90
1892: 1 Troy Oz. Pt (Colombia: Ore, .999) =~USD$ 15.63  

1892/3: 1 Troy Oz. Platinum (Common Price) = USD$ 10. - 13.

Citation: The American Amateur Photographer, Vol. 5 No.3

March 1893: 1 Troy Oz. Platinum (Scrap, Sold) = USD$ 9.50

Citation: The American Amateur Photographer, Vol. 5 No.3 (March 1893)


Chicago Exhibition, c. August 1893:

August 1893: 1 Troy Oz. Platinum (producer's price) = USD$

Citation: The Chemical news and journal of industrial science; Vol. 67, No. 1765 ; William Crookes (Sept 23, 1893) p.161



1893: 1 Troy Oz. Platinum (Semi-Mfg, Trade) = USD$ 11.51 

1893: 1 Troy Oz. Platinum (Mfg, Trade) = USD$ 13.06 - 15.55

1893: 1 Troy Oz. Palladium (Refined, Trade) = USD$ 62.20

1893: 1 Troy Oz. Iridium (Refined, Trade) = USD$64.

1893: 1 Troy Oz. Osmium (Refined, Trade) = USD$ 96.

1893: 1 Troy Oz. Rhodium (Refined, Trade) = USD$ 144.

1893: 1 Troy Oz. Ruthenium (Refined, Trade) = USD$ 240.

Mid-1893:


Apparently, the markup on platinum salt solution sold to photographers was 100 - 200%.  One manufacturer was enraged when a home chemist dared publish the economical recipe.

Citation: The American amateur photographer, Volume 5 (1893), p.55

Random: Guatemalan tariff rate

Citation: Memoria de la Secretaria de Hacienda y Crédito Público ...  By Guatemala. Secretaría de Hacienda y Crédito Público (1894)

In discussions of bimetallism and currency, Platinum was occasionally discussed.  The 'relative value' of metals is of particular interest, particularly where poorly-understood deflation was evident.

As at least one writer noted, late 19th Century deflation did not apply to Platinum.

Citation: Common sense currency: A practical treatise on money in its relations to ... By John Phin (1894)

1893: 1 Troy Oz. semi-refined Platinum ~ USD$ 10.

Citation: Common sense currency: A practical treatise on money in its relations to ... By John Phin (1894) p.97



1893: 1 Troy Oz. Platinum (scrap) = USD$ 9.50

Citation: The American amateur photographer, Vol. 5 (1893) p.126

 
1893: 1 Troy Oz. platina (California: Spot, Domestic ore 80%?) = USD$ 6.8933
1893: 1 Troy Oz. platina (California: Spot, intrinsic) ~ USD$ 8.62

Citation: Mineral Resources of the United States, Part 1 ; US Geological Survey (1897) p. 349

German Export of semi-manufactured Platinum to USA, Fiscal Year July 1-June 30 1893
USD$ 369,663.

Crucibles Weight by Volume

1878: 100 cc dish weighed 26.23 g
1878: ~5 cc dish weighed 7.98 g



Small Platinum dish:




1866: Assumed 15 cc (0.5 oz) and 16 Grams @ £ 1.50

1866: 1 Troy Oz. Platinum (Spatula, Retail) = £ 1.96 (USD$ 13.51)





Crucibles w/ covers:

2 cc (=  0.0676 oz. US/0.0704 oz. Imp.) ; 4 grams (=  62 grains)
4 cc (=  0.1353 oz. US/0.1408 oz. Imp.) ; 6 gr. (=  93 grains)

6 cc (=  0.2029 oz. US/0.2112 oz. Imp.) ; 8 gr. (=  124 grains)
8 cc (=  0.2705 oz. US/0.2816 oz. Imp.) ; 10 gr. (=  154 grains)
10 cc (=  0.3381 oz. US/0.352 oz. Imp.) ; 12 gr. (=  185 grains)
15 cc (=  0.5072 oz. US/0.5279 oz. Imp.) ; 15 gr. (=  232 grains)
20 cc (=  0.6763 oz. US/0.7039 oz. Imp.) ; 20 gr. (=  309 grains) ; 25 gr. (=  386 grains)
30 cc (=  1.014 oz. US/1.056 oz. Imp.) ; 25 gr. (=  386 grains)
35 cc (=  1.183 oz. US/1.232 oz. Imp.) ; 30 gr. (=  463 grains)
40 cc (=  1.353 oz. US/1.408 oz. Imp.) ; 35 gr. (=  540 grains)
50 cc (=  1.691 oz. US/1.76 oz. Imp.) ; 45 gr. (=  695 grains)
60 cc (=  2.020 oz. US/2.112 oz. Imp.) ; 50 gr. (=  772 grains)
75 cc (=   2.536 oz. US/ 2.64 oz. Imp.) ; 60 gr. (=  926 grains)
90 cc (=  3.043 oz. US/3.168 oz. Imp.) ; 70 gr. (=  1,080 grains)
100 cc (=  3.381 oz. US/3.52 oz. Imp.) ; 90 gr. (=  1,389 grains)

Crucible w/ covers:

8 cc (=  0.2705 oz. US/0.2816 oz. Imp.) ; 8 gr. (=  124 grains)
10 cc (=  0.3381 oz. US/0.352 oz. Imp.) ; 10 gr. (=  154.3 grains)
15 cc (=  0.5072 oz. US/0.5279 oz. Imp.) ; 15 gr. (=  232 grains)
20 cc (=  0.6763 oz. US/0.7039 oz. Imp.) ; 20 gr. (=  309 grains)
25 cc (= 0.8494 oz. US/0.8799 oz. Imp.) ; 25 gr. (=  385.8 grains)
30 cc (=  1.014 oz. US/1.056 oz. Imp.) ; 30 gr. (=  463 grains)
40 cc (=  1.353 oz. US/1.408 oz. Imp.) ; 40 gr. (=  617.3 grains)
50 cc (=  1.691 oz. US/1.76 oz. Imp.) ; 50 gr. (=  772 grains)
60 cc (=  2.020 oz. US/2.112 oz. Imp.) ; 60 gr. (=  926 grains)
70 cc (=  2.367 oz. US/2.464 oz. Imp.) ; 70 gr. (=  1,080 grains)

Citation: Laboratory supplies and chemicals for chemists and bacteriologists, By A. Daigger & Company (1919) p.237

The 18th Edition (n.d.) of Bullock & Crenshaw's Catalogue of Chemical, Physical, and Pharmaceutical Apparatus (c. 1888) lists crucibles w/ cover ("capsule-shaped lips" sic)  from Joaquim Bishop & Co.


p.121:
'683. 1 x 1.25 in., contains.......0.375 oz. weight about ......180 grains'
1.25 x 1.375 in., cont................0.5 oz. weight about ..........250 grains
1.375 x 1.625 in., cont..............1.0 oz. weight about ..........390 grains
1.5 x 1.75 in., cont.....................1.25 oz. weight about ........525 grains
1.625 x 1.75 in., cont................1.5 oz. weight about ...........570 grains
1.75 x 2.0 in., cont....................2.0 oz. weight about ..........600 grains
2 x 2.25 in., cont.......................3.0 oz. weight about ..........740 grains


Queen's 1888 Catalogue listed standard volume & weight for crucibles without covers :

Crucible w/ covers (p.259) at a standard rate ($13.06/oz. troy) :

20 cc (=  0.6763 oz. US/0.7039 oz. Imp.) ;  8 gr. (=  124 grains)
30 cc (=  1.014 oz. US/1.056 oz. Imp.) ; 14 gr. (=   grains)
45 cc (=   oz. US/ oz. Imp.) ; 22 gr. (=   grains)
80 cc (=   oz. US/ oz. Imp.) ; 320 gr. (=   grains)
125 cc (=   oz. US/ oz. Imp.) ; 48 gr. (=   grains)
200 cc (=   oz. US/ oz. Imp.) ; 65 gr. (=   grains)

Dishes without covers:

15 cc (=  0.5072 oz. US/0.5279 oz. Imp.) ; 5 gr. (=  77.16 grains)
20 cc (=  0.6763 oz. US/0.7039 oz. Imp.) ; 6 gr. (=  92.59 grains)
25 cc (= 0.8494 oz. US/0.8799 oz. Imp.) ; 8 gr. (=  124 grains)
35 cc (=  1.183 oz. US/1.232 oz. Imp.) ; 12 gr. (=  185.2 grains)
50 cc (=  1.691 oz. US/1.76 oz. Imp.) ; 17 gr. (=  262.4 grains)
65 cc (=  2.198 oz. US/2.288 oz. Imp.) ; 22 gr. (=  339.5 grains)

In the mid-19th C. USA, the wholesale price of manufactured Platinum was 3x more expensive than Silver manufactures. 


1856: 1 Troy Ounce Platinum (pure, whols.)  = USD$ 8.00

1857: 1 Troy Ounce Platinum (mfg, whols.)  = USD$ 14.00

1856: 1 Troy Ounce Silver (pure, whols)  = USD$ 5.00

1857: 1 Troy Ounce Silver (mfg, whols)  = USD$ 5.00

Citation: Descriptive catalogue of chemical apparatus, chemicals and pure reagents (1856 Lehume, p. 69)

1888: