USA: Crucibles by Size & Weight, 1905

April 1905: 1 Troy Oz. Platinum (Semi-Mfg, trade)  = USD$ 19.91
April 1905: 1 Troy Oz. Platinum (Semi-Mfg, trade)  = USD$ 21.00
April 1905: 1 Troy Oz. Platinum (Semi-Mfg, trade)  = USD$ 22.40

December 1905: 1 Troy Oz. Platinum (Semi-Mfg, trade)  = USD$ 23.33
December 1905: 1 Troy Oz. Platinum (Semi-Mfg, trade)  = USD$ 24.88
December 1905: 1 Troy Oz. Platinum (Crucible, trade)  = USD$ 26.44

March 1906: 1 Troy Oz. Platinum (Semi-Mfg, trade)  = USD$ 28.
March 1906: 1 Troy Oz. Platinum (Semi-Mfg, trade)  = USD$ 29.86
March 1906: 1 Troy Oz. Platinum (Crucible, trade)  = USD$ 31.75


Insurance estimation based on replacement cost, on April 25, 1905:



1905: 1 Troy Ounce Platinum (Mfg, catalogue)  = USD$ 23.01 - 31.10

1905: 1 Troy Oz. Platinum (Mfg, ingot)  = USD$ 21.25

1905: 1 Troy Oz. Platinum (Mfg, best quality ingot)  = USD$ 24.90

Citation: Mineral resources of the United States / Department of the Interior (1905), p.423

Citation: Illustrated and priced catalogue of assayers' and chemists' supplies ... Denver Fire Clay Company (1905), p.193-5.

In 1905, a Platinum crucible w/ cover (1 US Fluid Oz = 29.573 cc) weighed ~26.75 Grams.
In 1905, a Platinum crucible w/ cover (1/2 Imperial Oz = 14.20 cc) weighed ~13.25 Grams.