FLO4564158: Scurvygrass, Cochlearia officinalis. Handcoloured copperplate engraving from Dr. Willibald Artus' Hand-Atlas sammtlicher mediinisch-pharmaceutischer Gewachse, (Handbook of all medical-pharmaceutical plants), Jena, 1876. / Bridgeman Images

FLO4564173: Black henbane or stinking nightshade, Hyoscyamus niger. Handcoloured copperplate engraving from Dr. Willibald Artus' Hand-Atlas sammtlicher mediinisch-pharmaceutischer Gewachse, (Handbook of all medical-pharmaceutical plants), Jena, 1876. / Bridgeman Images

FLO4564176: Black mustard, Brassica nigra. Handcoloured copperplate engraving from Dr. Willibald Artus' Hand-Atlas sammtlicher mediinisch-pharmaceutischer Gewachse, (Handbook of all medical-pharmaceutical plants), Jena, 1876. / Bridgeman Images

FLO4564196: Fumitory, Fumaria officinalis. Handcoloured copperplate engraving from Dr. Willibald Artus' Hand-Atlas sammtlicher mediinisch-pharmaceutischer Gewachse, (Handbook of all medical-pharmaceutical plants), Jena, 1876. / Bridgeman Images

FLO4585873: Calandrinia oppositifolia, white flower native to Oregon and California (USA). Drawing by Matilda Smith (1854-1926), Lithography by J.N. Fitch in Curtis Botanical Magazine, by Joseph Dalton Hooker, published in London, England, by L. Reeve and Co, 1889. / Bridgeman Images

FLO4585878: Passiflora hahnii, Flower of yellow passion, native to Mexico. Drawing by Matilda Smith (1854-1926), Lithography by J.N. Fitch in Curtis Botanical Magazine, by Joseph Dalton Hooker, published in London, England, by L. Reeve and Co, 1889. / Bridgeman Images

PIX4585903: Astronomical clock of the cathedral of Strasbourg - Detail - Astronomical clock of Strasbourg Cathedral - Detail - Located in the cathedral of Strasbourg, the astronomical clock was built by a team of Swiss watchmakers in 1547. It was restored and modified between 1838 and 1843 by Jean-Baptiste Schwilgue, a Strasbourg watchmaker. However, a first clock, known as the “Three Kings”, existed from 1354. In the foreground, the celestial sphere represents the position of stars and constellations. In the background, the dial shows the times of sunrise and sunset in universal time, as well as the position of the Sun and the Moon around the Earth during the day (geocentric vision). The cathedral's south transept houses an 18 - mettre astronomical clock, one of the largest in the world, built in the 16th century. It was restored and modified in the 19th century / Bridgeman Images

FLO4585910: Pentstemon rotundifolius, native to northern Mexico. Drawing by Matilda Smith (1854-1926), Lithography by J.N. Fitch in Curtis Botanical Magazine, by Joseph Dalton Hooker, published in London, England, by L. Reeve and Co, 1889. / Bridgeman Images

FLO4585917: Laportea moroides, a variety of nettle native to Queensland (Australia). Drawing by Matilda Smith (1854-1926), Lithography by J.N. Fitch in Curtis Botanical Magazine, by Joseph Dalton Hooker, published in London, England, by L. Reeve and Co, 1889. / Bridgeman Images

FLO4585925: Enkianthus campanulatus, native of Japan. Drawing by Matilda Smith (1854-1926), Lithography by J.N. Fitch in Curtis Botanical Magazine, by Joseph Dalton Hooker, published in London, England, by L. Reeve and Co, 1889. / Bridgeman Images

PIX4585926: Astronomical clock of the cathedral of Strasbourg - Detail - Astronomical clock of Strasbourg Cathedral - Detail - Located in the cathedral of Strasbourg, the astronomical clock was built by a team of Swiss watchmakers in 1547. It was restored and modified between 1838 and 1843 by Jean-Baptiste Schwilgue, a Strasbourg watchmaker. However, a first clock, known as the “Three Kings”, existed from 1354. Details on Saturn's Tank (Kronos in Greek), representing Saturday. In one hand, he holds a fake, symbol of the God of Time. In the other, Saturn holds a new - ne, recalling the story of Kronos who devoured his children. The cathedral's south transept houses an 18 - mettre astronomical clock, one of the largest in the world, built in the 16th century. It was restored and modified in the 19th century / Bridgeman Images

FLO4585954: Pandanus labyrinthicus, native of the Malaysian archipelago. Drawing by Matilda Smith (1854-1926), Lithography by J.N. Fitch in Curtis Botanical Magazine, by Joseph Dalton Hooker, published in London, England, by L. Reeve and Co, 1889. / Bridgeman Images

PIX4586003: Clock astronomical de Lyon - Astronomical clock in Lyon - France - Detail of the astrolabe. The time circle, the calendar (month in Latin and day of the week), the zodiac, the ecliptic, the lunar circle with the Moon in the last quarter. In the background, the map of the sky. The alidade indicates the time (here, 12.30 pm). The Sun slides over the alidade, indicating its height according to the seasons. Located in the Cathedrale Saint John, the clock dates back to 1379. Writing testifies to his presence in the cathedrale since 1383, making him one of the oldest astronomical clocks in Europe. It consists of a 1.80m square tower, surmounted by an octagonal turret presenting the automatons and a dome supporting a rooster. The whole peak is 9.35m high. The astronomical part consists of 3 parts: the astrolabe; below, the perpetual calendar, and on the right side, the minute dial. Astronomical clock - 16th century by Hugues Levet. Saint Jean Baptiste cathedral, Lyon, France. The Astrolab / Bridgeman Images

PIX4586026: Lyon Astronomical Clock - Astronomical clock in Lyon - France - Detail of the Radiant Sun, located on the astrolabe of the Lyon Astronomical Clock. This Sun, humanises, is surrounded by 30 rays, alternatively sagittes and waves. Located in the Cathedrale Saint John, the clock dates back to 1379. Writings witness his presence in the cathedrale since 1383, making it one of the oldest astronomical clocks in Europe. It consists of a 1.80m square tower, surmounted by an octagonal turret presenting the automatons and a dome supporting a rooster. The whole peak is 9.35m high. The astronomical part is divided into three parts: the astrolabe; below, the perpetual calendar, and on the right side, the minute dial. Astronomical clock - 16th century by Hugues Levet. Saint Jean Baptiste cathedral, Lyon, France. The Astrolab / Bridgeman Images

PIX4586037: Lyon Astronomical Clock - Perpetuel Calendar - Astronomical clock - Lyon - Detail - The disc is divided into 365 sectors and rotates 1 sector per day. The 6 circles designate from left to right: The month (in Latin), a circle to find the new moon “” ecclesiastic””, a circle permitting to determine Sundays (Sunday letters), the Roman calendar, the Gregorian calendar giving the calendar of the month, feasts and Saint of the day. Located in the Cathedrale Saint John, the clock dates back to 1379. Writings testify to its presence in the cathedrale since 1383, making it one of the oldest astronomical clocks in Europe. It consists of a 1.80m square tower, surmounted by an octagonal turret presenting the automatons and a dome supporting a rooster. The whole peak is 9.35m high. The astronomical part consists of 3 parts: the astrolabe; below, the perpetual calendar, and on the right side, the minute dial. Astronomical clock - 16th century by Hugues Levet. Saint Jean Baptiste cathedral, Lyon, France. The perpetual calendar / Bridgeman Images

PIX4586054: Ploermel Astronomical Clock - 19th century - Back - Astronomical clock - 19th century - Ploermel - France - back - Astronomical clock built from 1850 to 1855 by the Frere Bernardin (1812 - 1876). Morbihan. Astronomical clock built from 1850 to 1855 by Bernardin Morin. Ploermel, Morbihan, France / Bridgeman Images

FLO4586069: Primula pusilla and Primula petiolaris var. nana, primeroses of the Himalayas. Drawing by Matilda Smith (1854-1926), Lithography by John Nugent Fitch in Curtis Botanical Magazine, by Joseph Dalton Hooker, published in London, England, by L. Reeve and Co, 1889. / Bridgeman Images

PIX4586084: Astronomical clock of Ploermel - 19th century - Astronomical clock - 19th century - Ploermel - France - Astronomical clock built from 1850 to 1855 by the Frere Bernardin (1812 - 1876). Morbihan. Astronomical clock built from 1850 to 1855 by Bernardin Morin. Ploermel, Morbihan, France / Bridgeman Images

PIX4586087: Astronomical clock of Ploermel - 19th century - Astronomical clock - 19th century - Ploermel - France - Astronomical clock built from 1850 to 1855 by the Frere Bernardin (1812 - 1876). Morbihan. Astronomical clock built from 1850 to 1855 by Bernardin Morin. Ploermel, Morbihan, France / Bridgeman Images

PIX4586097: Astronomical clock of Ploermel - 19th century - Astronomical clock - 19th century - Ploermel - France - Astronomical clock built from 1850 to 1855 by the Frere Bernardin (1812 - 1876). Morbihan. Astronomical clock built from 1850 to 1855 by Bernardin Morin. Ploermel, Morbihan, France / Bridgeman Images

FLO4586126: Gerbera jamesoni, orange flower native of Transvaal (South Africa). Drawing by Matilda Smith (1854-1926), Lithography by John Nugent Fitch in Curtis Botanical Magazine, by Joseph Dalton Hooker, published in London, England, by L. Reeve and Co, 1889. / Bridgeman Images

FLO4586127: Phajus pauciflorus, white orchid native to Java. Drawing by Matilda Smith (1854-1926), Lithography by John Nugent Fitch in Curtis Botanical Magazine, by Joseph Dalton Hooker, published in London, England, by L. Reeve and Co, 1889. / Bridgeman Images

PIX4586158: Astronomical clock of Saint - Omer - Astronomical clock of Saint - Omer Cathedral - Astronomical clock of Saint - Omer, built in 1558 by Pierre Engueran, watchmaker of Saint - Omer, commissioned by the chapter of the Collegiale. The clock is installed in the Cathedrale Notre-Dame de Saint-Omer. In addition to indicating the legal time, the clock also indicates the Babylonian hours, the date (month and calendar of the month), the height of the Sun and its position in front of the zodiac, the lunar day and the phases of the Moon. The clock is also an astrolabe (the white area), allowing you to know the position (azimuth and height) of certain bright stars visible in the sky of St. Omer. Astronomical clock built in the 16th century. Nord - Pas - de - Calais, France / Bridgeman Images

PIX4585493: Meridian of the Church of Saint Martin des Vignes (Troyes) - Noon Mark on Saint Martin des Vignes (Troyes) - It dates from 1778. This is one of the few Meridians in France to indicate the time of the Meridian of the Ile de Fer (now Hierro in the Canary Islands). The Meridian of Iron Island was defined as the Meridian of origin by Ptolemee, in order to count positively the longitude in Europe. At that time, Iron Island was the most western known land. This meridian was considered in France as a meridian of reference, from 1634 to 1792, then abandoned to the profile of the meridian of Paris, then that of Greenwich / Bridgeman Images

FLO4585506: Spring level or Claudinette - Spring snowflake, Leucojum vernum. Handcolured copperplate engraving after a botanical illustration by James Sowerby from William Curtis' The Botanical Magazine, Lambeth Marsh, London, 1787., Sowerby, James (1757-1822) / Bridgeman Images

FLO4585536: Alpine soldanella - Alpine soldanella, Soldanella alpina. Handcolured copperplate engraving after a botanical illustration by James Sowerby from William Curtis' The Botanical Magazine, Lambeth Marsh, London, 1786., Sowerby, James (1757-1822) / Bridgeman Images

FLO4585556: Ixia crimson or stale flower, dark ecarlate color. Crimson ixia or spreading-flowered ixia with deep crimson flowers. Ixia patens. Handcolored copperplate engraving from a botanical illustration by Sydenham Edwards from William Curtis's “” Botanical Magazine”” 1790-1800., Edwards, Sydenham Teast (c.1768-1819) / Bridgeman Images

FLO4585583: Ixia sulfur color, with bright lemon yellow flowers. Sulphur colored ixia with bright lemon yellow flowers. Ixia bulbifera. Handcolored copperplate engraving from a botanical illustration by Sydenham Edwards from William Curtis's “” Botanical Magazine”” 1790-1800., Edwards, Sydenham Teast (c.1768-1819) / Bridgeman Images

FLO4585597: Ixia has white, yellow and orange veins. Nodding flowered ixia with white, orange and yellow veined flowers. Ixia radiata. Handcolored copperplate engraving from a botanical illustration by Sydenham Edwards from William Curtis's “” Botanical Magazine”” 1790-1800., Edwards, Sydenham Teast (c.1768-1819) / Bridgeman Images

FLO4585605: Blue Lochrome - Lochroma cyaneum (Lanceolate-leaved chaenestes, Chaenestes lanceolata). Handcoloured botanical illustration drawn and lithographed by Walter Fitch from Sir William Jackson Hooker's “Curtis's Botanical Magazine,” London, 1847. / Bridgeman Images

FLO4585635: Centauree has pastel leaf, with yellow fluffy flower. Oriental. Woad leaved centaurea with yellow fluffy flowers. A native of the east. Centaurea glastifolia. Handcolored copperplate engraving from a botanical illustration by Sydenham Edwards from William Curtis's “” Botanical Magazine”” 1790-1800., Edwards, Sydenham Teast (c.1768-1819) / Bridgeman Images

PIX4585679: Prague Astronomical Clock - 15th century - The Prague Astronomical Clock - 15th century - The Prague Astronomical Clock - 15th century - The Prague City Hall Astronomical Clock, built by Nicholas of Kadau in 1410, and redesigned by Master Hanus de la Rose (Jan Ruze) around 1490. May 2007. (clock and calendar). Prague astronomical clock was made by clockmaker Mikulas of Kadan in 1410 and rearranged in 1490. May 2007 / Bridgeman Images

FLO4585701: Perfumee grenadilla (or refresco maracuja) - (Winged passionflower, Passiflora alata. Handcolured copperplate engraving after a botanical illustration by James Sowerby from William Curtis' The Botanical Magazine, Lambeth Marsh, London, 1787., Sowerby, James (1757-1822) / Bridgeman Images

FLO4585731: Sparkling rose (sparkling rose) - Pink moss, Rosa centifolia f. muscosa (Rosa muscosa). Handcolured copperplate engraving after a botanical illustration from William Curtis' The Botanical Magazine, Lambeth Marsh, London, 1788., Sowerby, James (1757-1822) / Bridgeman Images

PIX4585749: Prague Astronomical Clock - 15th century - The Prague Astronomical Clock - 15th century - The Prague Astronomical Clock - 15th century - The Prague City Hall Astronomical Clock, built by Nicholas of Kadau in 1410, and redesigned by Master Hanus de la Rose (Jan Ruze) around 1490. May 2007. Prague astronomical clock was made by clockmaker Mikulas of Kadan in 1410 and rearranged in 1490. May 2007 / Bridgeman Images

PIX4585752: Prague Astronomical Clock - 15th century - The Prague Astronomical Clock - 15th century - The Prague Astronomical Clock - 15th century - The Prague City Hall Astronomical Clock, built by Nicholas of Kadau in 1410, and redesigned by Master Hanus de la Rose (Jan Ruze) around 1490. May 2007. Detail of Death and Lust. Prague astronomical clock was made by clockmaker Mikulas of Kadan in 1410 and rearranged in 1490. May 2007. Close up of the Death and Covetousness / Bridgeman Images