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Aaron, C. H.

Assaying in three parts / By c. h. aaron - 2 - 3 t. en 2 volúmenes

Contenido: pt. 1. gold and silver ores.--pt. 2. gold and silver bullion.--pt. 3. lead, copper, tin, mercury, zinc, nickel and cobalt, chromium, bismuth, asrsenic, antimony, sulphur, salt

Subjects--Topical Terms:
Ensayos

LC Class. No.: TN550 / A37 1889