METALS.

Iron, (cast) 7·207

„ (wrought) 7·688

Steel (soft) 7·780

„ (tempered) 7·840

Lead (cast) 11·400

„ (sheet) 11·407

Brass (cast) 8·384

„ (wire drawn) 8·544

Copper (sheet) 8·767

„ (cast) 8·607

Gold (cast) 19·238

„ (hammered) 19·361

Gold (22 carats) 17·481

„ (20 „ ) 15·709

Silver (pure, cast) 10·474

„ (hammered) 10·511

Mercury (60°) 13·580

Pewter 7·248

Tin 7·293

Zinc (cast) 7·215

Platinum 21·500

Antimony 6·712

Arsenic 5·763

Bronze (gun metal) 8·700

Pumps and Hydraulics, Part 1 (of 2) · 第 75 / 357 题