USA, 1927: Laboratory Materials Catalog D (Chicago, IL)

The wholesale catalog price in 1927 was nearly 100% higher than the spot or market price.

1927: 1 Troy Ounce of Platinum (mkt) = $ 85.

1927: 1 Troy Ounce of Platinum (US, refined, whols.) = $ 155.

Citation: Laboratory apparatus : catalog D ; Laboratory Materials Company (Chicago, 1927) p. 230.

B. & S. Gauge .........................................#12...........14.............16..........18...........20
Weight per foot in grammes.................22.20g.....15.60.......9.............5.40.......3.36

Platinum Dishes 20mL = 6g; 25mL =8g; 35mL = 12g; 50mL = 17g; 75mL =25g; 100mL =33g.

In 1927 an 18-jewel Gruen watch with a platinum case and complementary diamond bracelet cost $1985.

Life Magazine, November 1927: