De Re Metallica, Translated from the First Latin Edition of 1556

by Georg Agricola

• Names of Mines, [42]
• Naphtha, [581]
• Native Copper, [109]
• Native Iron, [111]
• Native Minerals, [107]
• Native Silver, [269]; [109]
• Natron (see [Nitrum]).
• Neolithic Furnaces, [355]
• Neusohl, Method of Screening Ore, [290]
• Newbottle Abbey, [35]
• Nitocris, Bridge of, [391]
• Nitric Acid (see also [Aqua valens]), [439]-[443]; [460]; [439]; [354]
  • Assay parting gold and silver, [248]
  • Testing silver regulus with, [449]
  • Use in cleaning gold dust, [396]
• Nitrum (see also [Soda]), [558]; [110]
• Nomenclature, [I]; [267]
  • Mining law, [77]; [78]
  • Mining officials, [77]; [78]
• Norici, [388]
  • Conveyance of ore, [169]
• Normans.
  • Mining Law in England, [85]
• Notary, [94]; [78]
• Nubia.
  • Early gold-mining, [399]
• Nuremberg, Scale of Weights, [263]

• Obolus, [25]
• Ochra nativa, [111]
• Ochre Yellow, [111]
• Offenbrüche (see [Furnace Accretions]).
• Olynthus.
  • Betrayal to Philip of Macedon, [9]
• Operculum, [441]; [222]
• Orbis, [141]; [137]
• Ore (see various metals, [Assaying], [Mining], etc.).
• Ore Channels (see [Canales]).
• Ore Deposits, Theory of, [XIII]; [43]-[53]
• Ore Dressing, [267]-[351]
  • Burning, [273]
  • Hand spalling, [271]-[272]
  • Sorting, [268]-[271]
• Orguia, [78]; [78]; [617]
• Orichalcum (see [Aurichalcum]).
• Orpiment, [111]; [1]; [222]
  • Colour of fumes, [235]
  • Harmful to metals, [273]
  • Indication of gold, etc., [116]
  • Roasted from ore, [273]
  • Use in assaying, [237]
• Outcrops, [68]; [43]
• Ox-blood in Salt Making, [552]

• Pactolus, Gold Sands of, [27]
• Park's Process, [465]
• Parting Gold from Copper, [462]-[464]
• Parting Gold from Silver, [443]-[460]; [458]-[463]
  • Antimony sulphide, [451]-[452]; [451]-[452]; [461]
  • Cementation, [453]-[457]; [453]-[454]; [458]
  • Chlorine gas, [458]; [462]
  • Electrolysis, [458]; [462]
  • Nitric acid, [443]-[447]; [443]; [447]; [460]
  • Nitric acid (in assaying), [247]-[249]
  • Sulphur and copper, [448]-[451]; [448]; [461]
  • Sulphuric acid, [458]; [462]
• Partitions, [493]
• Passau, Peace of, [IX].
• Passus, [616]; [78]
• Patio Process, [297]-[298]
• Pattinson's Process, [465]
• Peak, The (see [High Peak]).
• Pentremites, [115]
• Pergamum.
  • Brazen ox of, [11]
  • Mines near, [26]; [27]
• Peripatetics, [XII].
  • Theory of ore deposits, [47]; [44]
  • View of wealth, [18]
• Persians.
  • Ancient mining law, [83]
• Pes, [616]; [78]
• Pestles, [231]; [483]
• Petroleum, [581]-[582]
• Phalaris, Brazen Bull of, [11]
• Philosophy.
  • Knowledge necessary for miners, [3]
• Phoenicians.
  • Copper and bronze, [402]
  • In Thasos, [24]
  • Tin, [411]-[412]
• Picks, [152]-[153]
• Pickschiefer (see [Ash-coloured Copper]).
• Placer Mining, [321]-[348]
• Pleigeel (see [Lead Ochre]).
• Pleiweis (see [White-lead]).
• Pleygang Vein, [42]
• Plumbago, [110]
• Plumbum candidum, [110]; [3]; [473]
• Plumbum cinereum, [111]; [3]
• Plumbum nigrum lutei coloris, [110]; [3]
• Plummet Level.
  • Standing, [143]; [137]
  • Suspended, [145]; [146]; [137]
• Pockets in Alluvial Sluices, [322]-[330]
• Poisonous Fumes (see [Fumes]).
• Poland.
  • Cupellation, [483]
  • Lead ore washing, [347]
  • Lead smelting, [392]
• Poletae, Tablets of the, [83]
• Poling Copper, [531]-[538]; [535]-[536]
• Pompeiopolis.
  • Arsenic mine at, [111]
• Pompholyx, [394]; [113]-[114]; [403]
  • From copper refinings, [538]
  • From cupellation, [476]
  • From dust-chambers, [394]
  • From roasting ore, [278]
  • Poisonous, [214]; [215]
  • Used for brass making, [410]
• Porcelain Clay, [115]
• Potash, [558]-[559]; [558]; [233]; [220]
  • In Sal artificiosus, [463]
• Pottery, Egyptian, [391]
• Potosi, [298]
• Pozos de Anibal, Los, [42]
• Pous, [617]; [78]
• Praefectus cuniculi, [78]
• Praefectus fodinae (see [Mine Manager]).
• Praefectus metallorum (see [Mining Prefect]).
• Praeses cuniculi, [78]
• Praeses fodinae (see [Mining Foreman]).
• Precious and Base Metals, [439]
• Primgap, [80]
• Procurator metallorum, [83]
• Prospecting, [35]
• Proustite, [108]
• Pumps, [171]-[200]; [149]
  • Chain, [171]-[175]
  • Rag and chain, [188]-[200]
  • Suction, [175]-[188]
• Purgator argenti (see [Silver Refiner]).
• Purser, [77]
• Puteoli, [501]
• Pyrargyrite, [108]
• Pyriten argentum, [408]
• Pyrites (see also [Cakes of Melted Pyrites]), [51]; [111]; [112]; [1]
  • As a flux, [234]
  • Assay for gold, [243]
  • In tin concentrates, [348]
  • Latin and German terms, [222]
  • Roasting, [273]-[274]
  • Roasting cakes of, [349]-[351]
  • Smelting for gold and silver, [399]; [401]
  • Used in making vitriol, [578]
• Pyrites aerosus (see [Copper Pyrites]).
• Pyrites aurei coloris (see [Copper Pyrites]).

• Quartz (see also [Stones which easily melt]), [114]
  • As a flux, [380]
  • An indication of ore, [116]
  • Material of glass, [380]
  • Silver ore, [113]
  • Smelting of, [401]
• Quarzum (see [Quartz]).
• Quertze, [380]
• Quicksilver, [432]; [2]; [354]; [110]
  • Amalgamation of gilt objects, [461]
  • Amalgamation of gold dust, [396]
  • Amalgamation of gold ores, [297]; [297]
  • Assaying methods, [247]
  • Ore, [426]-[432]
  • Use in assaying gold ore, [243]

• Rag and Chain Pumps, [188]-[200]
• Rake Veins, [101]
• Rammelsberg.
  • Collapse of mines, [216]
  • Discovery, [37]
  • Early vitriol making, [572]
• Rauchstein, [127]
• Realgar, [1]; [111]; [222]
  • Colour of fumes, [235]
  • Harmful to metals, [273]
  • Indication of ore, [116]
  • Roasted from ore, [273]
• Rederstein (see [Trochitis]).
• Red-lead, [232]; [110]; [222]
  • Use in parting gold from copper, [463]
  • Use in parting gold from silver, [459]
• Refined Salt, [454]; [463]; [233]
• Refinery for Silver and Copper, [491]-[498]
• Refining Gold from Copper, [462]-[464]
• Refining Gold from Silver, [443]-[458]
• Refining-hearth, [492]
• Refining Silver, [483]-[490]; [465]; [484]
• Refining Silver from Lead, [464]
• Reformation, The, [V]; [VIII].
• Re-opening of Old Mines, [217]
• Revival of Learning.
  • Agricola's position in, [XIII].
• Reward Lease, in Australian Law, [77]
• Rhaetia, [388]
• Rhaetian Alps.
  • Stamp milling in, [319]
• Ring-fire, [448]
• Rio Tinto Mines.
  • Roman methods of smelting, [405]
  • Roman water-wheels, [149]
• Risks of Mining, [28]-[29]
• Rither (a horse), [101]
• Roasted Copper, [233]; [233]; [222]
• Roasting, [273]-[279]; [267]
  • Heap roasting, [274]-[275]
  • In furnaces, [276]
  • Mattes, [349]-[351]
  • Prior to assaying, [231]
• Rocks, [119]; [2]
• Rock-salt, [548]; [222]
  • Use in cementation, [454]
• Roman Alum, [565]
• Romans.
  • Amalgamation, [297]
  • Antimony, [428]
  • Brass making, [410]
  • Companies, [90]
  • Copper smelting, [404]-[405]
  • Mining law, [83]
  • Minium Company, [232]
  • Quicksilver, [433]
  • Roasting, [267]
  • Silver-lead smelting, [392]
  • Washing of ore, [281]
• Rosette Copper, [538]; [535]
• Rosgeel (see [Realgar]).
• Ruby Copper, [109]; [402]
• Ruby Silver, [51]; [108]
  • Assaying of, [244]
  • Cupellation, [473]
• Rudis Ores, [108]
• Rust (see [Iron-rust]).

• Sabines, [9]
• Saigerdörner (see [Liquation Thorns]).
• Saigerwerk (see [Stannum]).
• Salamander har (see [Asbestos]).
• Salamis, Battle of, [27]
• Sal-ammoniac, [560]; [560]; [222]
  • In cements for parting gold and silver, [454]-[457]
  • In making aqua valens, [441]
  • Uses in cupellation, [474]
  • Uses in making aqua regia, [460]
  • Uses in parting gold from copper, [463]
• Sal artificiosus, [236]; [463]; [236]
  • In assaying, [242]
  • As a flux, [234]
• Salt, [545]; [556]; [546]; [233]; [222]
  • As a flux, [234]-[238]
  • Pans, [545]; [546]
  • Solidified juice, [1]
  • Use in cementation, [454]; [454]
  • Use in parting gold from copper, [463]; [464]
  • Use in smelting ores, [396]; [400]
  • Wells, [546]-[547]
• Salt made from Ashes of Musk Ivy, [560]; [233]
• Sal torrefactus, [242]; [222]; [233]
• Sal tostus, [233]; [233]; [222]
• Saltpetre, [561]-[564]; [561]; [562]; [222]
  • As a flux, [233]; [236]-[238]; [245]; [247]
  • In smelting gold concentrates, [398]
  • Uses in cementation, [454]; [454]
  • Uses in making nitric acid, [439]; [440]; [447]; [454]
  • Uses in melting silver nitrate, [447]
• Sampling Copper Bullion, [249]
• Sand, [117]
• Sandaraca (see [Realgar]).
• Sandiver (see [Glass-galls]).
• Sarda (see [Carnelian]).
• Saxony.
  • High Peak customs from, [77]; [85]
  • Political state in Agricola's time, [VIII]; [IX].
  • Reformation, [IX].
• Saxum calcis (see [Limestone]).
• Scales of Fineness, [253]; [617]
• Scapte-Hyle, Mines of, [23]
• Schemnitz.
  • Age of mines, [5]
  • Gunpowder for blasting, [119]
  • Pumps, [194]
• Schist, [222]
• Schistos (see [Ironstone]).
• Schlackenwald.
  • Ore washing, [304]
• Schmalkalden League, [IX].
• Schmalkalden War, [IX]; [X].
• Schneeberg, [XXXI]; [VI].
  • Cobalt, [435]
  • Depth of shafts, [102]
  • Ore stamping, [281]
  • Shares, [91]
  • St. George mine, [91]; [74]; [75]
• Schwartz-atrament (see [Melanteria] and [Sory]).
• Scorification Assay, [239]
• Scorifier, [228]; [230]; [222]
  • Assays in, [238]; [239]
• Screening Ore (see [Sifting Ore]).
• Screens (see also [Screening]), [267]
  • In stamp-mill, [315]
• Scriba fodinarum (see [Mining Clerk]).
• Scriba magistri metallicorum (see [Bergmeister's Clerk]).
• Scriba partium (see [Share Clerk]).
• Scum of Lead from Cupellation, [475]
• Scythians.
  • Wealth condemned, [9]; [15]
• Seams in the Rocks, [72]; [43]; [47]
  • Indications of ore, [67]; [107]
• Sea-Water, Salt from, [545]-[546]
• Sesterce, [448]
• Sett, [77]
• Settling Pits, [316]; [267]
• Shaft-houses, [102]
• Shafts, [102]-[107]; [122]-[124]
  • Surveys of, [129]-[135]
  • Venae cumulatae, [128]
• Shakes, [101]
• Share Clerk, [97]; [93]; [78]
• Share in Mines (see [Companies, Mining]).
• Shears for Cutting Native Silver, [269]
• Shift, [99]; [92]
• Shoes (stamp), [285]-[286]; [267]
• Shovellers, [153]; [169]; [78]
• Sideritis (see [Lodestone]).
• Siegelstein (see [Lodestone]).
• Sieves.
  • For charcoal, [375]
  • For crushed ore, [287]-[293]; [341]
• Sifting Ore, [287]-[293]
• Signator publicus (see [Notary]).
• Silberweis (see [Mica]).
• Silex, [114]; [118]
• Silver (see also [Assaying], [Liquation], [Parting], [Refining], etc.), [390]; [354]; [108]
  • Amalgamation, [297]; [300]
  • Assaying, [248]-[251]
  • Cupellation, [464]-[483]; [241]
  • "Drying" copper residues from liquation, [529]
  • Enrichment in copper bottoms, [510]; [510]
  • Exhausted liquation cakes, [524]
  • Indicated by bismuth, etc., [116]
  • Liquation, [505]-[507]; [506]; [509]; [512]
  • Parting from gold (see [Parting Gold and Silver]).
  • Parting from iron, [544]; [544]
  • Precipitation from solution in copper bowl, [444]
  • Refining, [483]-[490]; [465]; [484]
  • Smelting of ores, [381]-[382]; [386]; [388]; [390]; [400]; [402]
  • Use in clarification of nitric acid, [443]; [443]
• Silver, Ruby (see [Ruby Silver]).
• Silver Glance, [108]
  • Assaying, [244]
  • Cupellation, [473]
  • Dressing, [269]
• Silver-Lead Alloy (see [Stannum], etc.).
• Silver Ores, [108]; [108]
  • Assaying, [242]-[244]
  • Assaying cupriferous ores, [245]
  • Fluxes required in assaying, [235]
  • Smelting cupriferous ores, [404]-[407]
• Silver-Plating, [460]
• Silver Refiner, [95]; [78]
• Silver Refining (see [Refining]).
• Silver Veins, [117]
• Singing by Miners, [118]
• Sintering Concentrates, [401]
• Slags (see also [Liquation Slags]), [222]
  • From blast furnace, [379]; [381]
  • From liquation, [491]; [492]; [523]
• Slaves as Miners, [23]; [83]
  • In Greek mines, [25]; [25]; [28]
• Slough (tunnel), [101]
• Sluices, [319]; [322]-[348]
• Smallite, [113]
• Smalt, [112]
• Smega, [404]
• Smelters, [78]
• Smelting (see also various metals), [379]-[390]; [353]-[355]
  • Assaying compared, [220]
  • Building for, [355]-[361]
  • Objects of, [353]
• Smirgel (see [Emery]).
• Smiris (see [Emery]).
• Smyrna.
  • Mines near, [27]
• Snake-Bites, [31]
• Soda (see also [Nitrum]), [558]; [559]; [233]; [222]
  • As a flux, [233]; [234]
  • Historical notes, [558]; [354]
  • Solidified juice, [1]
• Sole, [101]
• Solidified Juices (see [Juices, Solidified]).
• Solifuga, [216]; [216]
• Sorters, [78]
• Sorting Ore, [268]-[271]
• Sory, [112]; [403]; [573]
• Sows, [376]; [386]; [376]
• Spain (see also [Lusitania]).
  • Ancient silver-lead mines, [149]; [392]
  • Ancient silver mines of Carthage, [27]
  • Ancient tin mines, [411]-[412]
• Spalling Ore, [271]-[272]
• Spangen (see [Trochitis]).
• Spanschgrün (see [Verdigris]).
• Spartans.
  • Gold and silver forbidden, [9]; [15]
  • Interference with Athenian mines, [27]
• Spat (see [Heavy Spar]).
• Spelter, [409]
• Sphalerite, [113]
• Spiauter, [409]
• Spiesglas (see [Stibium]).
• Spines of Fishes for Cupels, [230]
• Spodos, [538]; [394]; [113]; [114]
• Spuma argenti (see [Litharge]).
• Staffordshire.
  • First pumping engine, [149]
• Stalagmites, [114]
• Stall Roasting, [350]-[351]
• Stamp, [267]
  • For breaking copper cakes, [501]-[503]
  • For crushing crucible lining, [373]-[375]
• Stamping Refined Silver, [489]
• Stamp-mill, [279]-[287]; [281]-[282]; [267]
  • Wet ore, [312]-[314]; [319]-[321]
• Standing Plummet Level (see [Plummet Level]).
• Stannaries, [85]
• Stannum, [473]; [2]; [384]; [492]
• Steel, [423]-[426]; [422]-[423]; [354]
• Steiger, [77]
• Steinmarck (see [Porcelain Clay]).
• Stemple (stull), [101]
• Stephanite, [109]
• Sternen Mine, [92]; [75]
• Steward (of High Peak mines), [77]
• St. George Mine (Schneeberg), [91]; [74]; [75]
• Stibium (see also [Antimony] and [Antimony Sulphide]), [110]; [428]; [2]; [221]
  • Flux to be added to, [235]
  • In assaying, [237]-[239]
  • In cementation, [458]-[460]
  • Indication of silver, [116]
  • In making nitric acid, [440]
  • In parting gold and silver, [451]-[452]; [459]
  • In parting gold from copper, [464]
  • In treatment of gold concentrates, [396]; [397]
• Stibnite, [428]; [451]
• St. Lorentz Mine, [74]; [92]
• Stockwerke (see [Vena cumulata]).
• Stoics.
  • Views on wealth, [18]
• Stomoma, [423]
• Stone Juice, [46]; [49]
• Stones.
  • Agricola's view of, [2]; [46]; [49]
  • Various orders of fusibility, [380]
• "Stones which Easily Melt" (see also [Quartz]), [380]; [222]
  • As a flux, [233]; [236]; [233]
  • In making nitric acid, [440]
  • In smelting, [379]; [380]; [390]
  • Smelting of, [401]
• Stool (of a drift), [101]
• Stope, [126]
• Stoping, [125]
  • Venae cumulatae, [128]
  • Venae dilatatae, [126]; [127]
• Strake, [303]-[310]; [267]; [282]
  • Canvas, [307]-[310]; [314]; [316]; [267]
  • Egyptians, [280]
  • Greeks, [281]
  • Short, [306]-[307]; [267]
  • Washing tin concentrates, [341]-[343]
• Strata, [126]
• Streaming, [316]-[318]
• Stringers, [70]; [43]; [47]; [70]
  • Indication of ore, [106]
  • Mining method, [128]
• Styria, [388]
• Subterranean Heat, [46]; [595]
• Suction Pumps, [175]-[188]
• Sulphides, [267]; [355]
• Sulphur, [578]-[581]; [579]; [222]
  • Colour of fumes, [235]
  • Harmful to metals, [273]
  • In assaying, [235]-[238]
  • In parting gold from copper, [463]; [462]
  • In parting gold from silver, [448]-[451]; [448]; [461]
  • In smelting gold dust, [396]
  • Roasted from ores, [273]; [276]
  • Solidified juice, [1]
• Sulphur "not exposed to the fire," [458]; [463]; [579]
• Surveyor's Field, [137]; [144]; [142]
• Surveying, [128]-[148]; [129]
  • Necessary for miners, [4]
  • Rod, [137]-[138]
• Suspended Plummet Level (see [Plummet Level]).
• Swiss Compass, [145]; [137]
• Swiss Surveyors, [145]
• Symposium, [91]

• Tap-hole, [378]; [386]
• Tappets, [282]; [319]; [267]
• Tapping-bar, [381]
• Tarshish, Tin Trade, [412]
• Tartar (Cream of), [220]; [234]
• Tectum (Hangingwall), [101]
• Terra sigillata (see [Lemnian Earth]).
• "Tests", refining silver in, [483]-[490]; [465]; [484]
• Thaler, [92]
• Thasos, Mines of, [23]; [95]; [23]
• Theamedes, [115]
• Theodosian Code.
  • Mines, [84]
• Thorns (see [Liquation Thorns]).
• Thuringia.
  • Roasting pyrites, [276]
  • Sluices of gold washing, [327]
• Tigna (Wall plate), [101]
• Timbering.
  • Of ladderways and shafts, [122]; [123]; [124]
  • Of stopes, [126]
  • Of tunnels and drifts, [124]-[125]
• Tin, [411]-[413]; [354]; [110]
  • Alluvial mining, [336]-[340]
  • Assaying ore, [246]
  • Assaying for silver, [251]
  • Colour of fumes, [235]
  • Concentrates, [340]-[342]; [348]-[349]
  • Cornish treatment, [282]
  • Refining, [418]-[419]
  • Smelting, [411]-[420]
  • Stamp-milling, [312]-[317]
  • Streaming, [316]-[318]
  • Washing, [298]; [302]; [304]
• Tincar or Tincal (see [Borax]).
• Tithe Gatherer, [81]; [95]; [98]; [78]
• Tithe on Metals, [81]; [82]
• Toden Kopff, [235]
• Tofstein (see [Tophus]).
• Tolfa, La (see [La Tolfa]).
• Tools, [149]-[153]
• Topfstein (see [Tophus]).
• Tophus, [233]; [114]; [222]
  • As a flux, [233]; [237]; [390]
• Tortures.
  • With metals, [11]
  • Without metals, [17]
• Touch-needles, [253]-[260]; [253]
• Touchstone, [252]-[253]; [252]; [354]; [458]; [222]
  • Mineral, [114]
  • Uses, [243]; [248]; [447]
• Trade-routes.
  • Salt-deposits influence on, [546]
• Transport of Ore, [168]-[169]
• Trent, Bishop of.
  • Charter (1185), [84]
• Triangles in Surveying, [129]-[137]
• Tripoli, [115]
• Trochitis, [115]; [115]
• Trolley, [480]; [500]; [514]
• Troy.
  • Lead found in, [391]
• Troy Weights, [616]; [617]; [242]
• Trucks, [156]
• Tunnels, [102]; [101]
  • Law, [88]-[93]
  • Surveys of, [130]-[141]
  • Timbering, [124]
• Turin Papyrus, [129]; [399]
• Turn (winze), [101]
• Tuteneque, [409]
• Tuttanego, [409]
• Tutty, [394]
• Twitches of the Vein, [101]
• Twyer, [376]
• Tye, [267]
• Type.
  • Stibium used for, [2]; [429]
• Tyrants.
  • Inimical to miners, [32]
• Tyrolese.
  • Smelting, [388]; [404]

• Ulcers, [214]; [31]
• Uncia (length), [78]; [616]; [78]
• Uncia (weight), [616]; [242]
• Undercurrents (see [Sluices]).
• United States.
  • Apex law, [82]

• Vectiarii (see [Windlass Men]).
• Veins, [43]; [64]-[69]; [106]-[107]; [47]
  • Barren, [72]; [107]
  • Direction of, [54]-[58]
  • Drusy, [72]; [73]; [107]
  • Hardness variable, [117]
  • Indications, [35]-[38]
  • Intersections of, [65]; [66]; [67]; [106]; [107]
• Vena.
  • Use of term, [43]; [47]
• Vena cumulata, [46]; [49]; [70]; [43]; [47]
  • Mining method, [128]
  • Mining rights, [87]
• Vena dilatata, [41]; [45]; [53]; [60]-[61]; [43]; [47]
  • Junctions with vena profunda, [67]; [68]
  • Mining method, [126]-[127]
  • Mining rights, [83]-[86]
  • Washing lead ore from, [347]
• Vena profunda, [44]; [51]; [60]; [62]; [63]; [68]; [69]; [43]; [47]
  • Cross veins, [65]
  • Functions, [65]; [66]; [67]; [68]
  • Mining rights, [79]-[83]
• Venetian Glass, [222]
  • Factories, [592]
  • In assaying, [238]; [245]; [246]
  • In cupellation, [474]
• Venice.
  • Glass-factories, [592]
  • Parting with nitric acid, [461]
  • Scale of weights, [263]
• Ventilation, [200]-[212]; [121]
  • With bellows, [207]-[210]
  • With fans, [203]-[207]
  • With linen cloths, [210]
  • With windsails, [200]-[203]
• Verdigris, [440]; [1]; [110]; [222]
  • In cementation, [454]; [457]
  • Indication of ore, [116]
  • In making nitric acid, [440]
  • In parting gold from copper, [464]
• Vermilion.
  • Adulteration with red-lead, [232]
  • Poisonous, [215]
• Villacense Lead, [239]; [239]
• Vinegar.
  • Use in breaking rocks, [119]; [118]
  • Use in cleansing quicksilver, [426]
  • Use in roasting matte, [349]
  • Use in softening ore, [231]
• Virgula divina (see [Divining Rod]).
• Vitriol, [571]; [572]; [403]; [222]; [1]
  • In assaying, [237]-[238]
  • In cementation, [454]; [454]
  • Indication of copper, [116]
  • In making nitric acid, [439]-[440]
  • In roasted ores, [350]
  • In sal artificiosus, [463]
  • Native, [111]
  • Native blue, [109]
  • Native white, [113]
  • Red, [274]
  • White, [454]
• Volcanic Eruptions, [595]

• Washers, [78]
• Washing Ore (see also [Concentration], [Screening Ore], etc.), [300]-[310]
• Water-Bags, [157]-[159]; [198]
• Water-Buckets, [157]-[158]
• Water-Wheels, [187]; [283]; [286]; [319]
• Water-Tank, under Blast Furnaces, [356]-[357]
• Wealth, [7]-[20]
• Wedges, [150]
• Weights, [260]-[264]; [616]-[617]; [242]; [253]
• Weisser Kis, [111]
• Werckschuh, [617]; [78]
• Westphalia.
  • Smelting lead ore, [391]
  • Spalling ore, [272]
• Wheelbarrows, [154]
• Whims, [164]-[167]
• White-Lead, [440]; [354]; [110]; [232]
• White Schist, [234]; [390]; [234]; [222]
• Winding Appliances (see [Hauling Appliances]).
• Windlasses, [160]; [171]; [149]
• Windlass Men, [160]; [78]
• Winds.
  • Greek and Roman names, [58]
  • Sailors' names, [59]; [60]
• Winds (winze), [101]
• Windsails, [200]-[203]
• Winzes, [102]
• Wittenberg, Capitulation of, [IX].
• Wizards.
  • Divining rods, [40]
• Workmen, [98]; [100]
• Woughs, [101]