Bauer Collection (page 5)

Roasting copper in a furnace: C. A: cakes of smelted copper, B: wooden faggots for heat. On right man is using wooden wheelbarrow. From Agricola (George Bauer) De re metallica, Basle, 1556

Rag-and-chain pump for draining a mine operated by men in treadmill. From Agricola (George Bauer) De re metallica, Basle, 1556

Separating lead from silver or gold in a cupellation furnace. From Agricola (Georg Bauer) De re metallica, Basel 1556. The Foreman consumed quantities of butter to avoid being poisoned

Miners hammers of various sizes. From Agricola (George Bauer) De re metallica, Basle, 1556

Obverse of trade card for tinned Frankfurters produced by Heinrich Bauer of Frankfurt am Main. Germany, c1895

Reverse of trade card for tinned Frankfurters produced by Heinrich Bauer of Frankfurt am Main c1895, showing smiling girl with tray of steaming sausages

Furnace for refining copper with all the tools necessary to carry out the process. From De re metallica, by Agricola, pseudonym of Georg Bauer (Basle, 1556). Woodcut

A set of 24 touch needles. These were made of the purest obtainable gold and each was alloyed with different known amounts of silver and copper, or of both

Crane for lifting of copper / lead alloy from moulds. From De re metallica, by Agricola
Crane for lifting of copper/lead alloy from moulds. From De re metallica, by Agricola, pseudonym of Georg Bauer (Basle, 1556). Woodcut

Refining copper in a furnace. In the foreground a coating of copper is being hammered off an iron bar. This was a method of testing to see if the metal was sufficiently refined

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

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

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

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

Three devices for ventilating mines with bellows. In the centre the horse turns the wheel and cams, I, I, work the bellows

Multiple suction pumps, powered by an overshot water wheel through a spur wheel and lantern, being used to raise water from a mine

Draining a mine using a duplex suction pump. The box ABCD, shown in detail on the right, contained the crank which operated the piston

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)

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

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

Ventilating a mine using bellows. From De re metallica, by Agricola, pseudonym of Georg Bauer (Basle, 1556). Woodcut. Mining

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

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

Carpenters constructing a stamping mill for breaking up ores and extraction of metals. Men on the left are measuring up a baulk of timber, K, to form a cam-shaft

Various devices for ventilating mines. 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. Two men are turning the drive-shaft on which is mounted a spur gear which transfers power to the pump by means of a lantern, D

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

Ventilating a mine. Hollow drum with air holes, B, at opposite sides, mounted on an axle, C, to which are fixed fans rotating inside the drum

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

Mine ventillation: Carpenters assembling a device to be fitted at top of mine shaft so that it would revolve and extract the stale air from the mine

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

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

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

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

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

Max Kalbeck, biographer of Johannes Brahms, left, and Brahms Viennese friend Dr Otto Bauer, wearing each others hats. From photograph taken in Ischl, 1892

Franklandia fucifolia, artwork C016 / 5645
Franklandia fucifolia. Proof etching by I. Pye (based on Ferdinand Bauers drawing) prepared for A voyage to Terra Australis (1814) by Matthew Flinders

Passion flower (Passiflora aurantia) C016 / 5644
Passion flower (Passiflora aurantia). Engraving by Weddell (based on Ferdinand Bauers unpublished drawing) published in Collectanea botanica (1821) by John Lindley

Picture No. 10717425
Plate 141 from Botanical Drawings from Australia (1801) by Ferdinand L Bauer (1760-1826)

Lilium trigris, tiger lily pollen
Lilium tigris pollen grains, page 38 from Drawings by Francis Bauer depicting epidermis, hairs, pollen grains and Moustrosities

Spiranthus speciosa, orchid
Illustration from Delineation of exotic plants cultivated in the Royal Garden at Kew (1796) by Franz Andreas Bauer (1758-1840). Held in the Botany Library at the Natural History Museum, London

Ptychosperma elegans, solitare palm
Plate 223 from Botanical Drawings from Australia (1801) by Ferdinand L Bauer (1760-1826)

Hydrangea sp. hydrangea
Illustration from Delineation of exotic plants cultivated in the Royal Garden at Kew (1796) by Franz Andreas Bauer (1758-1840). Held in the Botany Library at the Natural History Museum, London

Portunus pelagicus, flower crab
Cut out from Plate 49, watercolour by Ferdinand Lucas Bauer from his collection of Zoological drawings

Limodorum altum, squashed orchid pollina
Unfinished Drawings, Monocotyledons 1, Orchidaceae 1, No 71 by Franz Andreas Bauer

Duboisia myoporoides R. Br. Prodr. : 448 (1810), Solanaceae
Britten (1909:144) List, 108 Duboisia myoporoides Br. By Ferdinand Bauer. Drawing 526 x 355 mm, specimen from Sydney region and elsewhere in New South Wales, gathered by Brown, November 1804

Tommaso Salvadori (1835-1923)
Count Adelaro Tommaso Salvadori Paleotti was one of ten eminent ornithologists who assisted Richard Bowdler Sharpe, Head of the Bird Section. Image shows Tommaso working on flamingoes, c. 1890

Cycas media, nut palm

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"Bauer: A Captivating Collection of Nature's Finest Hues" Step into the enchanting world of Bauer, where vibrant colors and exquisite beauty await at every turn. Amongst this diverse array of botanical wonders, you'll find Livistona humilis, also known as the sand palm, gracefully swaying in the breeze. Venturing further, your eyes will be drawn to the mesmerizing Cephalotus follicularis, an Australian pitcher plant that lures unsuspecting insects with its captivating traps. Nearby stands Pinus cembra, or the majestic Arolla pine, reaching for the sky with its towering presence. As you explore deeper into this verdant paradise, you'll encounter Pinus strobus L. Weymouth or white pine - a symbol of purity and tranquility amidst nature's symphony. Delicate yet resilient is Cypripedium reginae - lady slipper orchid - showcasing its elegant petals like a crown fit for royalty. Not far away blooms Cypripedium calceolus; another lady slipper orchid gracing us with its ethereal charm and delicate allure. Eucalyptus pruinosa adds a touch of silver to this kaleidoscope of flora while Arum dioscoridis captivates with its unique shape and striking maroon hues. Banksia coccinea proudly displays scarlet blossoms that ignite passion within our hearts while Cephalotus follicularis continues to amaze with its carnivorous tendencies. Iris Germanica from 1847 enchants us still today through hand-colored engravings that capture their timeless elegance. Finally, we come across Brunonia australis – blue pincushion – whose vivid azure petals create a stunning contrast against nature's green canvas. In Bauer's realm lies an endless tapestry woven by Mother Earth herself – each species telling a story through color, form, and grace.