Fritz 1863-1914 Cirkel – författare

Graphite

Its Properties, Occurrence, Refining and Uses

Graphite

Its Properties, Occurrence, Refining and Uses

Report on the Chrome Iron Ore Deposits in the Eastern Townships, Province of Quebec [microform]

Chrysotile-asbestos [microform]

Its Occurrence, Exploitation, Milling and Uses

Mica [microform]

Its Occurrence, Exploitation and Uses

Chrysotile-asbestos [microform]

Its Occurrence, Exploitation, Milling and Uses

Report on the Iron Ore Deposits Along the Ottawa (Quebec Side) and Gatineau Rivers