sulfate free - handwritten text, highlighted, crossed out, underlined on blank background - 硫酸鈷 幅插畫檔、美工圖案、卡通及圖標
minerals and their crystalline forms engraving antique illustration, published 1851 - 硫酸鈷 幅插畫檔、美工圖案、卡通及圖標礦物質, 化石, 金屬礦
歷史年份, 鉛硫酸鹽, 植物原生銀, 原生銅, 原生黃金, 石英上的加萊納, 鐵皮石, 礦物和他們的水晶形式雕刻古董插圖, 出版於 1851 年。 - 硫酸鈷 幅插畫檔、美工圖案、卡通及圖標化石, 礦物質
bessemer converter (vorderansicht) used for the smelting and refinement of copper matte (kupferstein).the tilting furnace vessel, the air blast piping system, and the heavy mechanical gear assembly used in late victorian industrial metallurgy. - 硫酸鈷 幅插畫檔、美工圖案、卡通及圖標
minerals and their crystalline forms engraving antique illustration, published 1851 - 硫酸鈷 幅插畫檔、美工圖案、卡通及圖標雕刻圖像, 藍寶石, 化學
巴厘塔硫酸鹽、氨硫酸鹽、銅酸鹽、石鐵礦、鋁、硫酸鋅、岩鹽、堿磷酸鹽、礦物及其結晶形式雕刻古董插圖，出版于 1851 年 - 硫酸鈷 幅插畫檔、美工圖案、卡通及圖標圖畫 - 藝術品, 鹽 - 礦物質, 金屬礦
minerals and their crystalline forms engraving antique illustration, published 1851 - 硫酸鈷 幅插畫檔、美工圖案、卡通及圖標化學, 歷史
minerals and their crystalline forms engraving antique illustration, published 1851 - 硫酸鈷 幅插畫檔、美工圖案、卡通及圖標金屬礦, 火山
minerals and their crystalline forms engraving antique illustration, published 1851 - 硫酸鈷 幅插畫檔、美工圖案、卡通及圖標科學, 雕刻圖像, 礦物質
сide view (longitudinal section) of the gibb & gelstharpe rotating circular furnace (tellerofen) - 硫酸鈷 幅插畫檔、美工圖案、卡通及圖標
specialized metallurgical structure known as a small refining hearth (kleiner garherd), a key component in 19th-century metal purification. - 硫酸鈷 幅插畫檔、美工圖案、卡通及圖標
smelting furnace ,documenting the complex spatial organization required for 19th-century metallurgical operations. - 硫酸鈷 幅插畫檔、美工圖案、卡通及圖標
gerstenhöfer furnace, a significant 19th-century invention that revolutionized the roasting of fine-grained ores. - 硫酸鈷 幅插畫檔、美工圖案、卡通及圖標
bessemer converter (vorderansicht) used for the smelting and refinement of copper matte (kupferstein).the tilting furnace vessel, the air blast piping system, and the heavy mechanical gear assembly used in late victorian industrial metallurgy. - 硫酸鈷 幅插畫檔、美工圖案、卡通及圖標
mansfeld furnace with continuous slag discharge ,technical plan (cross-section) of a mansfeld copper smelting furnace - 硫酸鈷 幅插畫檔、美工圖案、卡通及圖標
mansfeld furnace with continuous slag discharge ,technical plan (cross-section) of a mansfeld copper smelting furnace - 硫酸鈷 幅插畫檔、美工圖案、卡通及圖標
minerals and their crystalline forms engraving antique illustration, published 1851 - 硫酸鈷 幅插畫檔、美工圖案、卡通及圖標礦物質, 石英
oven for converting table salt into glauber's salt (decahydrate sodium sulfate form) - 硫酸鈷 幅插畫檔、美工圖案、卡通及圖標
minerals and their crystalline forms engraving antique illustration, published 1851 - 硫酸鈷 幅插畫檔、美工圖案、卡通及圖標圖畫 - 藝術品, 石英, 金屬礦
