CH27197A
(en )
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Advanced device for melting and processing metals
FR317703A
(en )
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An improved process and apparatus for smelting and treating metals
FR323725A
(en )
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Advanced furnace for melting metals, ores, and processing materials requiring high temperatures
FR343313A
(en )
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Method and apparatus for processing minerals
FR388341A
(en )
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Apparatus for electromagnetic processing of ores
FR334444A
(en )
1903-12-21
Furnace for ore processing
FR345020A
(en )
1904-11-19
Method and apparatus for processing latex
FR326938A
(en )
1903-06-10
Ore processing machine
FR324763A
(en )
1903-04-09
Method and apparatus for refining molten metals
CH27119A
(en )
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Apparatus for treating peat
FR321392A
(en )
1903-01-09
Improved process and apparatus for the industrial treatment of mattes and raw metals in a reverberation furnace
FR803E
(en )
1903-04-02
Improved process and apparatus for the industrial treatment of mattes and raw metals in a reverberation furnace
FR4513E
(en )
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Device allowing the magnification of micrographic views
FR343599A
(en )
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Device allowing the magnification of micrographic views
FR347482A
(en )
1905-03-11
Apparatus for grain processing
FR332222A
(en )
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Advanced device for galvanizing sheet metals
FR321258A
(en )
1903-01-06
Amalgamation device
FR334828A
(en )
1904-01-04
Apparatus for treating textiles
FR322059A
(en )
1903-01-27
Advanced device for polling
FR348866A
(en )
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Apparatus for the treatment of pyrites
FR1332E
(en )
1903-07-13
Improved process and apparatus for the industrial treatment of mattes and raw metals in a reverberation furnace
FR320891A
(en )
1902-12-23
Method and apparatus for making briquettes
FR348747A
(en )
1905-04-25
Method and apparatus for stripping metal surfaces
FR320220A
(en )
1902-12-04
Device for adjusting watches to positions
FR324281A
(en )
1903-03-27
Handling apparatus for ingots or packages