39 résultats pour : mining and metallurgy
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BRK23C39_494
Corroded and rusty gears and pipes of old machiner...
BRK23C47_487
Corroded and rusty gears and pipes of old machiner...
BRK23C55_486
Corroded and rusty gears
BRK23C51_083
Corroded and rusty gears and piping from old machi...
BRK23B98_023
Pueblo
BRK23C02_214
Pueblo
BRK23B95_317
Pueblo
BRK23C06_222
Pueblo
BRK23C00_019
Pueblo
BRK23C04_209
Pueblo
BRK20B08_340
Weather wheels
BRK20B08_343
Drifting furnace in operation
BRK20B08_345
Retrieving the copper by tearing discs
BRK20B09_250
Seven of the Ores
BRK20B09_046
Glass furnace for the production of finished glass...
BRK20B09_248
Bellows driven by human power
BRK20B09_254
Glass furnace in which both the raw materials are ...
BRK20B08_337
Die Windrichtungen
BRK20B08_342
Crucible furnace
BRK20B08_344
Splicing furnace
BRK20B09_043
Melting device with iron ring
BRK20B09_252
Bleiherd
BRK20B09_448
Die Setzwaage
BRK20B10_130
Mountain compass
BRK20B09_040
Exploring the passages with a divining rod and thr...
BRK20B09_045
Preparation of soda
BRK20B09_249
The sorting of ores
BRK20B10_132
Preparation of saltpetre
BRK20B08_339
Promotion with the treading disc
BRK20B08_346
Extraction of alum from water
BRK20B09_253
Extraction of sulphur by sublimation from pots wit...
BRK20B10_131
Arrangement for carrying out the triangular measur...
BRK20B08_338
Pitch circle with pointer
BRK20B08_341
Rectangular tasting furnace
BRK20B09_041
Adits and tunnelling shafts
BRK20B09_449
Lead scales
BRK20B09_042
The horn reel
BRK20B09_251
Bellows
BRK19G02_401