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30 images for GEORGE AGRICOLA
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Chain of dippers (wooden buckets), powered by a water wheel being used to raise water from a mine. From De re metallica, by A...
Chain of dippers (wooden buckets), powered by a water wheel being used to raise water from a mine. From De re metallica, by Agricola, pseudonym of Georg Bauer (Basle, 1556). Woodcut
Mine being drained by a rag-and-chain pump powered by overshot water wheel. At right is detail of section of pipe K. From Agr...
Mine being drained by a rag-and-chain pump powered by overshot water wheel. At right is detail of section of pipe K. From Agricola De re metallica, Basle, 1556.
Multiple suction pumps, powered by an overshot water wheel through a spur wheel and lantern, being used to raise water from a...
Multiple suction pumps, powered by an overshot water wheel through a spur wheel and lantern, being used to raise water from a mine. From De re metallica, by Agricola, pseudonym of Georg Bauer (Basle, 1556). Woodcut
Stamping mills powered by and overshot water wheel being used to crush ore to begin the process of extracting metal from the ...
Stamping mills powered by and overshot water wheel being used to crush ore to begin the process of extracting metal from the ore won from a mine. From De re metallica, by Agricola, pseudonym of Georg Bauer (Basle, 1556). Woodcut
Suction pumps arranged in three tiers and linked by cranks. Powered by a water wheel, they are being used to raise water from...
Suction pumps arranged in three tiers and linked by cranks. Powered by a water wheel, they are being used to raise water from mine workings. From De re metallica, by Agricola, pseudonym of Georg Bauer (Basle, 1556). Woodcut.
Ventilating a mine. Various forms of fan which could be mounted on an axle inside a ventilating drum. A) Thin boards forming ...
Ventilating a mine. Various forms of fan which could be mounted on an axle inside a ventilating drum. A) Thin boards forming paddles. B) Short boards with feather shaped pieces of supple wood fixed on them. C) Short boards fitted with goose feathers., From De re metallica, by Agricola, pseudonym of
Mine ventilation. Hollow wooden drum, top, which had two blowholes opposite each other on the circumference, C, one to suck i...
Mine ventilation. Hollow wooden drum, top, which had two blowholes opposite each other on the circumference, C, one to suck in air and one to expel it as the drum rotated. Inside the drum, fixed to axle on which it rotated, were fans made of wood or of wood and goose quills. HHHH are rods attached t
Mine drainage. Man in centre left of picture is boring lengths of wood with borers and augers to form pipes. Man on centre ri...
Mine drainage. Man in centre left of picture is boring lengths of wood with borers and augers to form pipes. Man on centre right is working the piston rod of a suction pump to raise water from a mine. In the left foreground are lengths of pipe to be joined, and various internal pump parts. From De r
Revolving wooden wind vanes fitted to the top of mine ventilation shafts. When they revolved they acted as extractor fans suc...
Revolving wooden wind vanes fitted to the top of mine ventilation shafts. When they revolved they acted as extractor fans sucking stale air from the mine. From De re metallica, by Agricola, pseudonym of Georg Bauer (Basle, 1556). Woodcut
Draining mine workings by means of a battery of three pumps. The axle, B, is powered by an overshot water wheel. The cams on ...
Draining mine workings by means of a battery of three pumps. The axle, B, is powered by an overshot water wheel. The cams on the axle raise and lower the piston rods by means of tappets. C is the bottom of the pipe which is encased in the basket, D. From De re metallica, by Agricola, pseudonym of Ge
Means of transporting ore which has been won from a mine. In the foreground is a horse-drawn sledge, at D dogs are being used...
Means of transporting ore which has been won from a mine. In the foreground is a horse-drawn sledge, at D dogs are being used as pack animals and at E a man is pulling full pig skins. At B a sledge is being ridden down a slope. From De re metallica, by Agricola, pseudonym of Georg Bauer (Basle,
Georgius Agricola (1494-1555). German scientist. Known as "the father of mineralogy". Engraving belonging to his work De Re M...
Georgius Agricola (1494-1555). German scientist. Known as "the father of mineralogy". Engraving belonging to his work De Re Metallica. Basel 1564. Colored.
Washing for gold by laying pieces of turf in a frame. Gold-bearing sand is placed in head of the frame at A, water is then al...
Washing for gold by laying pieces of turf in a frame. Gold-bearing sand is placed in head of the frame at A, water is then allowed to wash over it. Gold collected on the turf at C. The pieces of turf then washed individually at E and the gold recovered. From De re metallica, by Agricola, pseudony
A rag-and-chain pump powered by an overshot water wheel being used to drain a mine. On the right is a detail of the tube of t...
A rag-and-chain pump powered by an overshot water wheel being used to drain a mine. On the right is a detail of the tube of the pump. From De re metallica, by Agricola, pseudonym of Georg Bauer (Basle, 1556). Woodcut
Raising water from a mine using two sets of overshot water wheels and suction pumps. From De re metallica, by Agricola, pseud...
Raising water from a mine using two sets of overshot water wheels and suction pumps. From De re metallica, by Agricola, pseudonym of Georg Bauer (Basle, 1556). Woodcut.
Ore which has been broken up in a stamping mill being reduced further by passing through a grinding mill. The mill is driven ...
Ore which has been broken up in a stamping mill being reduced further by passing through a grinding mill. The mill is driven by a water wheel, out of the picture to right, through axle, A. Told and tin ore were treated in this way. From De re metallica by Agricola, pseudonym of Georg Bauer (Basle
Mine ventilation shaft topped with a device to extract the stale air from the mine. H is a vane to make the barrel revolve so...
Mine ventilation shaft topped with a device to extract the stale air from the mine. H is a vane to make the barrel revolve so that is always facing in the optimum wind direction. From De re metallica, by Agricola, pseudonym of Georg Bauer,Basle 1556,
Overshot water wheel turning the cam-shaft of a stamping mill being used to turn the crush ore to begin the process of extrac...
Overshot water wheel turning the cam-shaft of a stamping mill being used to turn the crush ore to begin the process of extracting metal from the ore won from a mine. From De re metallica, by Agricola, pseudonym of Georg Bauer (Basle, 1556). Woodcut
Draining a mine by means of a suction pump. The man in the top right of the picture is operating the piston of the pump by ra...
Draining a mine by means of a suction pump. The man in the top right of the picture is operating the piston of the pump by raising and lowering the opposite end of the beam to which the piston rod is attached. From De re metallica, by Agricola, pseudonym of Georg Bauer (Basle, 1556) Woodcut
Washing for tin. After digging out a substantial amount of material, the miners would alter the course of a stream. The flow ...
Washing for tin. After digging out a substantial amount of material, the miners would alter the course of a stream. The flow of the water would wash away the light material, leaving behind the tin-bearing ore. From De re metallica, by Agricola, pseudonym of Georg Bauer (Basle, 1556). Woodcut.
Various devices for ventilating mines. From De re metallica, by Agricola, pseudonym of Georg Bauer (Basle, 1556). Woodcut
Draining mine workings with a bank of three suction pumps. As the men turn the shaft the cams, B, connect with tappets. A, on...
Draining mine workings with a bank of three suction pumps. As the men turn the shaft the cams, B, connect with tappets. A, on the piston rods, C. From De re metallica, by Agricola, pseudonym of Georg Bauer (Basle, 1556). Woodcut.
Rag-and-chain pump being used to raise water from a mine. From De re metallica, by Agricola, pseudonym of Georg Bauer (Basle,...
Rag-and-chain pump being used to raise water from a mine. From De re metallica, by Agricola, pseudonym of Georg Bauer (Basle, 1556). Woodcut
Ventilating a mine using bellows. From De re metallica, by Agricola, pseudonym of Georg Bauer (Basle, 1556). Woodcut
Three devices for ventilating mines with bellows. In the centre the horse turns the wheel and cams, I,I, work the bellows. At...
Three devices for ventilating mines with bellows. In the centre the horse turns the wheel and cams, I,I, work the bellows. At the top, a horse turns a crown wheel which engages with a lantern on the camshaft and the cams engage with tappets to work the bellows. At the bottom, a man works the bellows
Draining a mine using a duplex suction pump. The box ABCD, shown in detail on the right, contained the crank which operated t...
Draining a mine using a duplex suction pump. The box ABCD, shown in detail on the right, contained the crank which operated the piston. From De re metallica, by Agricola, pseudonym of Georg Bauer (Basle, 1556). Woodcut.
Cross-section of a mine, showing shaft and galleries at two different levels. In the top left of the picture is prospecting f...
Cross-section of a mine, showing shaft and galleries at two different levels. In the top left of the picture is prospecting for metals using divining rods (dowsing). From De re metallica, by Agricola, pseudonym of Georg Bauer (Basle, 1556). Woodcut.
Prospecting for metals using divining rods (A,A) and trenching (B). Divining rods were used in exactly the same manner for wa...
Prospecting for metals using divining rods (A,A) and trenching (B). Divining rods were used in exactly the same manner for water divining (dowsing). From De re metallica, by Agricola, pseudonym of Georg Bauer (Basle, 1556). Woodcut
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