...Every one turned his eyes to the east, where asilhouette of Lake Michigan, with its lighthouses and ore ships, ispainted on the plaster horizon... 
Various 「Astounding Stories, August, 1931」
..., Portland, Ore...
Various 「Astounding Stories, August, 1931」
... The instrument of culture over all this region is a hoe, the iron of which the Batoka and Banyeti obtain from the ore by smelting...
David Livingstone 「Missionary Travels and Researches in South Africa」
...In some places it is obtained from what is called the specular iron ore, and also from black oxide...
David Livingstone 「Missionary Travels and Researches in South Africa」
... The iron ore exists in great abundance, but I did not find any limestone in its immediate vicinity...
David Livingstone 「Missionary Travels and Researches in South Africa」
...In the bed of the river,near the sea, is a mine of silver; the ore is in verysmall particles, like lead-coloured sand, intermixedwith mud...
Abd Salam Shabeeny 「An Account of Timbuctoo and Housa Territories in the Interior of Africa」
...Why, wenamed you Hematite because theystruck the big find of ore in the minethat same morning...
Various 「Ainslee's magazine, Volume 16, No. 3, October, 1905」
...In many places it is found on top of the ground and in someparts it can be melted by simply placing a piece of ore in the fire verymuch as you would a potato to be roasted...
Various 「The Journal of Negro History, Vol. I. Jan. 1916」
...Mushet’s remarks on the remains of the aboveworks—First attempts to use prepared coal in thefurnaces—Iron-works suppressed—Value of iron ore at thattime—Dr...
H. G. Nicholls 「The Forest of Dean」
...Mushet’sremarks on the remains of the above works—First attempts to useprepared coal in the furnaces—Iron-works suppressed—Value ofiron ore at that time—Dr...
H. G. Nicholls 「The Forest of Dean」
...” Such a practice is well rememberedby the aged miners, the chief part of the ore used coming by sea fromWhitehaven...
H. G. Nicholls 「The Forest of Dean」
...Brush ore is a hydrate with protoxide of iron, and frequently, if not muchmixed with calcareous earth, contains from 60 to 65 per cent...
H. G. Nicholls 「The Forest of Dean」
...Its chief interest consists in the circumstance that it has been employedfrom very early times as a material for building; for though it contains avein of iron ore, little has been done in mining it...
H. G. Nicholls 「The Forest of Dean」
ランダム例文：
便利！手書き漢字入力検索
時事ニュース漢字 📺