Suchergebnisse

Copper ores: with a map and six diagrams

In: Imperial Institute Monographs on Mineral Resources with special reference to the British Empire

Strontium Minerals

In: Reports on the Mineral Industry of the British Empire and Foreign Countries

Mining royalties & rents in the British empire

Nickel Ores: with a map

In: Imperial Institute Monographs on Mineral Resources with special reference to the British Empire

Potash

In: Imperial Institute Monographs on Mineral Resources with special reference to the British Empire

Chromium Ore

In: Imperial Institute Monographs on Mineral Resources with special reference to the British Empire

Tin ores

In: Imperial Institute Monographs on Mineral Resources

Indian trade enquiry: Reports on oil-seeds

In: Indian Trade Enquiry [3]

Report of the Imperial Institute Committee of Enquiry 1923 together with resolutions of the Imperial Economic Conference on the subject

In: Cmd. 1997