Piece of the original ingot of R.F. Mushet's self-hardening steel,1868

1868

Two test ingots: 1. Showing hair line cracking caused by unwanted gases

1971

Lead ingots, mid 19th century.

1831-1870

Electrically cast ingots of a refractory alloy

1950

Three lead ingots as used in machine for rolling

1700-1799

Ingot of gold and four specimens of silver, from Tel El-Amarna. XVIII Dynasty

1567-1306 BCE

Ingots of tin used in experiments for purifying it by Pattinson's process for lead

before 1889

Ingot of Bessemer steel, c 1865.

1865