DGA3939407: Silver tray / Bridgeman Images

DGA3939409: Saint Ambrose, polychrome majolica tile / Bridgeman Images

DGA3939430: View of Vatican obelisk on three sides, before its definitive positioning, 1586, Vatican, engraving from Templum Vaticanum, by Carlo Fontana, 1694 / Bridgeman Images

DGA3939434: View of Vatican obelisk in St Peter's square, Vatican, engraving from Templum Vaticanum, by Carlo Fontana, 1694 / Bridgeman Images

DGA3939438: Design for columns for Vatican colonnade, engraving from Templum Vaticanum, by Carlo Fontana, 1694 / Bridgeman Images

DGA3939744: Doorway with tympanum and two Corinthian columns, engraving from Sebastiani Serlii Bononiensis De Architectura libri quinque (Five books on Architecture by Sebastiano Serlio) / Bridgeman Images

DGA3939745: Arched doorway with tympanum and four columns, engraving from Sebastiani Serlii Bononiensis De Architectura libri quinque (Five books on Architecture by Sebastiano Serlio) / Bridgeman Images

DGA3939746: Arched doorway with tympanum, niches and Ionic and Corinthian columns, engraving from Sebastiani Serlii Bononiensis De Architectura libri quinque (Five books on Architecture by Sebastiano Serlio) / Bridgeman Images

DGA3939750: Arched doorway with four Corinthian columns, niches and tympanum, engraving from Sebastiani Serlii Bononiensis De Architectura libri quinque (Five books on Architecture by Sebastiano Serlio) / Bridgeman Images

DGA3939761: Mine shaft, engraving from De Re Metallica (On the Nature of Metals), by Georg Agricola, published in Basel in 1561 / Bridgeman Images

DGA3939766: Wheelbarrows, engraving from De Re Metallica (On the Nature of Metals), by Georg Agricola, published in Basel in 1561 / Bridgeman Images

DGA3939767: Wagons for transporting earth and minerals from a mine, engraving from De Re Metallica (On the Nature of Metals), by Georg Agricola, published in Basel in 1561 / Bridgeman Images

DGA3939773: Winch operated by three men to lift material up a mine shaft, engraving from De Re Metallica (On the Nature of Metals), by Georg Agricola, published in Basel in 1561 / Bridgeman Images

DGA3939775: Equipment for lifting materials up a mine shaft, powered by horses, engraving from De Re Metallica (On the Nature of Metals), by Georg Agricola, published in Basel in 1561 / Bridgeman Images

DGA3939777: Transporting minerals downstream and loading them onto wagons, work in a mine, engraving from De Re Metallica (On the Nature of Metals), by Georg Agricola, published in Basel in 1561 / Bridgeman Images

DGA3939779: Equipment for extracting water from a mine shaft, engraving from De Re Metallica (On the Nature of Metals), by Georg Agricola, published in Basel in 1561 / Bridgeman Images

DGA3939780: Equipment for extracting water from a mine shaft, engraving from De Re Metallica (On the Nature of Metals), by Georg Agricola, published in Basel in 1561 / Bridgeman Images

DGA3939784: Hand pump for extracting water from a mine, engraving from De Re Metallica (On the Nature of Metals), by Georg Agricola, published in Basel in 1561 / Bridgeman Images

DGA3939789: Two-level pump for extracting water from a mine, operated by a hydraulic mills driven by a fall of water, engraving from De Re Metallica (On the Nature of Metals), by Georg Agricola, published in Basel in 1561 / Bridgeman Images

DGA3939791: Chain pump driven by an underground vertical hydraulic mill, for extracting water from a mine, engraving from De Re Metallica (On the Nature of Metals), by Georg Agricola, published in Basel in 1561 / Bridgeman Images

DGA3939795: Chain pump to extract water from a mine, operated by two men walking in a wheel, engraving from De Re Metallica (On the Nature of Metals), by Georg Agricola, published in Basel in 1561 / Bridgeman Images

DGA3939806: Aeration of a mine tunnel by shaking a cloth, engraving from De Re Metallica (On the Nature of Metals), by Georg Agricola, published in Basel in 1561 / Bridgeman Images

DGA3939813: Deslagger, triangular crucible, cup, instruments used in the oven for cupellation of minerals, engraving from De Re Metallica (On the Nature of Metals), by Georg Agricola, published in Basel in 1561 / Bridgeman Images

DGA3939825: Mortar for crushing minerals, operated by a vertical hydraulic mill driven by a fall of water, engraving from De Re Metallica (On the Nature of Metals), by Georg Agricola, published in Basel in 1561 / Bridgeman Images

DGA3939842: System for washing milled metal ores, engraving from De Re Metallica (On the Nature of Metals), by Georg Agricola, published in Basel in 1561 / Bridgeman Images

DGA3939873: System for washing metal ores, engraving from De Re Metallica (On the Nature of Metals), by Georg Agricola, published in Basel in 1561 / Bridgeman Images

DGA3939877: Oven for smelting metal ores, engraving from De Re Metallica (On the Nature of Metals), by Georg Agricola, published in Basel in 1561 / Bridgeman Images

DGA3939884: Component parts for making bellows to feed a mineral fusion oven, engraving from De Re Metallica (On the Nature of Metals), by Georg Agricola, published in Basel in 1561 / Bridgeman Images

DGA3939889: Sifting coal dust with sieves, mineral fusion, engraving from De Re Metallica (On the Nature of Metals), by Georg Agricola, published in Basel in 1561 / Bridgeman Images

DGA3939899: Structure for tin fusion and transforming it into plates, engraving from De Re Metallica (On the Nature of Metals), by Georg Agricola, published in Basel in 1561 / Bridgeman Images

DGA3939901: Structure for iron ore fusion, engraving from De Re Metallica (On the Nature of Metals), by Georg Agricola, published in Basel in 1561 / Bridgeman Images

DGA3939903: Forging iron bars, engraving from De Re Metallica (On Nature of Metals), by Georg Agricola, published in Basel in 1561 / Bridgeman Images

DGA3939906: Closed furnaces for mercury fusion, engraving from De Re Metallica (On Nature of Metals), by Georg Agricola, published in Basel in 1561 / Bridgeman Images

DGA3939908: Furnace for mercury fusion, engraving from De Re Metallica (On Nature of Metals), by Georg Agricola, published in Basel in 1561 / Bridgeman Images

DGA3939916: Oven for separating silver or copper from gold, saltpeter and vitriol method, engraving from De Re Metallica (On Nature of Metals), by Georg Agricola, published in Basel in 1561 / Bridgeman Images

DGA3939929: Letter D, drop cap, engraving from De Re Metallica (On Nature of Metals), by Georg Agricola, published in Basel in 1561 / Bridgeman Images