Images at Librifly

Drawings and Prints, Album Prints Ornament & Architecture, Nouveau Livre de Vases, Designer, Etcher, Jean Bernard Toro, Charles Nicolas Cochin I, French, Dijon 1672–1731 Toulon, French, Paris 1688–1754 Paris, Toro, Jean Bernard,

Extensive landscape prospect with a fortified building on hill in the background (recto); Study of a landscape and a female figure (verso), mid-19th century, Watercolor, Sheet: 6 x 9 3/16 in. (15.3 x 23.4cm), Drawings, Antoine Chintreuil

[Nude], ca. 1851, Salted paper print from paper negative, 4 5/16 x 6 1/8, Photographs, Possibly by Eugène Durieu (French, Nîmes 1800–1874 Geneva

Capital, late 8th century, Made in Syria, probably Raqqa, Alabaster, gypsum; carved, H. 11 1/4 in. (28.6 cm), Sculpture, This capital, carved of soft alabaster, demonstrates a vegetal style of the early Abbasid period. The classical curled

清 水晶荷葉碟, Dish with frog and lotus leaves, Qing dynasty (1644–1911), 18th century, China, Rock crystal, H. 2 1/2 in. (6.4 cm); W. 4 in. (10.2 cm); D. 3 in. (7.6 cm), Hardstone

Study of Young Girls, Pen and black ink, 2 13/16 x 4 in. (7.1 x 10.2 cm), Drawings, Rodolphe Bresdin (French, Montrelais 1822–1885 Sèvres

Dish with Design of Dishes, 青磁染付皿文皿, Edo period (1615–1868), ca. 1690–1720, Japan, Porcelain with celadon glaze and underglaze blue (Hizen ware, Nabeshima type), H. 2 1/4 in. (5.7 cm); Diam. 7 7/8 in. (20 cm), Ceramics

Designs for [Gas?] Lights for a Church, ca. 1880, Pen and ink, wash and watercolor on tracing paper, sheet: 12 3/16 x 6 1/2 in. (31 x 16.5 cm

Entrenchments on left of Bermuda Hundred Lines, 1861–65, Albumen silver print from glass negative, Photographs, Andrew Joseph Russell (American, 1830–1902

Drawings and Prints, Books Prints Ornament & Architecture, Corona delle Nobili et Virtuose Donne: Libro IV, page 45 (recto), Publisher, Cesare Vecellio, Italian, Pieve di Cadore 1521–1601 Venice, Vecellio, Cesare, Italian, 1521, 1601

Portrait of a Woman, ca. 1790, Ivory, Oval, 2 3/8 x 1 7/8 in. (60 x 48 mm), Miniatures, Villers (French, active ca. 1781–93

Design for an Elaborate Fountain Surmounted by a Statue of St. Christopher; verso: Studies of Architectural Details, 1550–99, Pen and black ink, brush and grey wash; verso: black chalk and pen and black ink, sheet: 9 5/8 x 7 1/16 in. (24.4 x 18

Three Designs for the Ornamentation of Vaults, 1700–1780, Pen and brown ink, brush with gray and brown wash, over lead point or graphite, with ruled and compass construction. Scales at bottom in pen and brown ink, 14 5/16 x 20 3/16 in. (36.4

Guerlinger. Pierre. 28 ans, né le 31/5/65 à St-Avold (Moselle). Journalier. Anarchiste. 14/4/94. , 1894, Albumen silver print from glass negative, 10.5 x 7 x 0.5 cm (4 1/8 x 2 3/4 x 3/16 in.) each, Photographs, Alphonse Bertillon (French,

The Viviparous Quadrupeds of North America, vol. II, 1851, Illustrations: lithography, hand-colored, 11 5/16 x 7 7/8 x 2 1/16 in. (28.7 x 20 x 5.2 cm), Books, After John James Audubon (American (born Haiti), Les Cayes (Saint-Domingue)

Two Variant Half Designs for a Cartouche, 1700–1780, Pen and brown ink, brush and gray wash, over lead point or graphite. Framing outlines in pen and brown ink, Overall: 5 7/8 x 6 7/8 in. (15 x 17.5 cm), Drawings, Anonymous, Italian,

Apothecary Jar, ca. 1700, Made in Puebla, Mexico, Mexican, Tin-glazed earthenware, H. 10 1/2 in. (26.7 cm), Ceramics

Kohl Flask, probably 10th–12th century, Made in Iran or Central Asia, Serpentine; carved, incised, 1 7/8 x 1 13/16 in. (4.7 x 4.6 cm), Stone, This charming object was designed to hold kohl, a black cosmetic powder applied around the eyes.

Still Life with Silver and Gold Plate, Shells, and a Sword, fourth quarter 17th century, Oil on canvas, 40 × 50 3/4 in. (101.6 × 128.9 cm), Paintings, Meiffren Conte (French, Marseilles ca. 1630–1705 Marseilles

Sheet of figure studies: two studies of a reclining figure, and a seated figure holding a lyre (?)., Graphite on laid paper, mounted on cardboard, 9-1/16 x 7-3/8 in. (23.0 x 18.7 cm), Drawings, Eugène Delacroix (French,

Standing Shiva or Temple Guardian (Dvarapala), ca. first half of the 10th century, Vietnam (Champa), Stone, H. 50 1/2 in. (128.3 cm), Sculpture, Located on a major sea route between India and China, Champa, in the central part of Vietnam,

'Some Busybody Will Come Along': The Kelpie of Snooziepod, Topsy-Turvy Tales, ca. 1923, Pen and ink and wash, sheet: 14 1/2 x 8 1/2 in. (36.8 x 21.6 cm), Drawings, William Heath Robinson (British, London 1872–1944 Highgate, London

Drawings and Prints, Books Prints Ornament & Architecture, La Pratique de l'Aiguille, page 51 (recto), Author, Engraver, Dedicatee, Publisher, Title by, Dedicated to, Published by, Matthias Mignerak, Pierre Firens, Marie de Medici, Jean

Juno, 18th century, Pen and gray ink, brush and brown wash, over traces of black chalk on cream laid paper. Framing outline in pen and brown ink, 7-3/16 x 5-3/4 in. (18.2 x 14.6 cm), Drawings, Anonymous, Italian, first half of the 18th

Portrait of Angelica Catalani de Valabrègue, ca. 1815, Pen and grey ink with brush and brown washes., 7 x 4 3/4 in. (17.8 x 12 cm.), Drawings, Antoine Louis François Sergent Marceau (French, Chartres 1751–1847 Nice

Vase, ca. 1925, Lacquered metal, 6 1/4 x 8 in. (15.9 x 20.3 cm), Lacquer, Dunand worked in a variety of stylistic idioms ranging from the pictorial to the abstract. During the 1920s, Dunand, like many other designers, borrowed shapes found in

Buckle (replica) for beadwork apron, Middle Kingdom, Dynasty 12, late–early 13, ca. 1850–1775 B.C., From Egypt, Memphite Region, Lisht North, Tomb of Senwosret, burial of Senebtisi, 1906–07, Wood, paint, H. 4.2 cm (1 5/8 in.); W.

Helm for Foot Combat, ca. 1500–1520, possibly British, Steel, H. 16 3/4 in. (42.6 cm); W. 14 in. (35.6 cm); D. 15 1/2 in. (39.4 cm); Wt. 11 lb. 12 oz. (5330 g), Helmets, English armor of the early sixteenth century is extremely rare, and

Head of a Clay Figure (Dogū), Middle Jomon period (2500–1500 B.C.), Japan, Earthenware with incised decoration (Katsusaka type), H. 4 1/16 in. (10.3 cm); W. 8 7/8 in. (22.5 cm); L. 10 in. (25.4 cm), Ceramics

Landscape, late 19th–early 20th century, Gouache., 7 7/8 x 10 1/2 in. (20 x 26.7 cm), Drawings, Adolph Hirémy-Hirschl (Hungarian, Temesvar 1860–1933 Rome (or Vienna

Saint Peter Released from Prison, 17th century, Red chalk over black chalk on cream paper. Drawing for an engraving. Framing lines in red chalk, 11-5/16 x 14-11/16 in. (28.7 x 37.3 cm), Drawings, Anonymous, Italian, Bolognese, 17th century

Fish Series, No. 3, 1917, Watercolor and graphite on paper, 8 x 10 in. (20.3 x 25.4 cm), Drawings, Charles Demuth (American, Lancaster, Pennsylvania 1883–1935 Lancaster, Pennsylvania

Wall Panel with Geometric Interlace, 15th century, Attributed to Egypt, Cairo, Polychrome marble; mosaic, H. 46 1/4 in. (118.1 cm), Stone, Polychrome marble mosaic decorated interior walls of both religious institutions and palaces in Egypt

Scene with Woman and Child, and Beggar, 17th century, Red chalk, brush with red and gray wash, on blue paper, faded to light brown, 9-7/16 x 7-1/16 in. (24 x 18 cm), Drawings, Anonymous, Italian, Roman-Bolognese, 17th century

Length of Fabric for Clothing, 18th century, Attributed to India, Metal wrapped thread, silk; twill weave, brocaded, Textile: H. 57 1/2 in. (146.1 cm), Textiles-Brocades, This length of fabric with intact selvedges is decorated with rows of

Jaffard. Julien, Ludovic. 37 ans, né le 31/5/57 à Lesterps (Charente). Journalier. Anarchiste. 2/7/94. , 1894, Albumen silver print from glass negative, 10.5 x 7 x 0.5 cm (4 1/8 x 2 3/4 x 3/16 in.) each, Photographs, Alphonse Bertillon

Lamp, 1st century B.C.–1st century A.D., Roman, Cypriot, Terracotta; mold-made, Overall: 1 1/4 x 4 in. (3.2 x 10.2 cm), Terracottas

Marble sarcophagus with flying erotes holding a clipeus portrait, Severan, ca. A.D. 190–200, Roman, Marble, Proconnesian, Overall: 17 3/4 x 70 1/2 x 21 in. (45.1 x 179.1 x 53.3 cm), Stone Sculpture, The young beardless soldier commemorated

Ce est ung tractat de la noble art de leguille ascavoir ouvraiges de spaigne... page 4 (recto), after 1527, Woodcut, Overall: 6 7/8 x 5 11/16 in. (17.5 x 14.5 cm), Printed by Willem Vosterman. From top to bottom, and left to right: Design

Cream Pitcher, 1887, Made in Brooklyn, New York, United States, American, Porcelain, 5 11/16 x 4 1/2 in. (14.4 x 11.4 cm), Ceramics, Union Porcelain Works (1863–ca. 1922), Union Porcelain Works was one of the most important and inventive

Nymphs, Satyr? and Putti, 17th century, Pen and brown ink over black chalk on cream paper. Framing outline in black chalk, 9-1/8 x 14-1/2 in. (23.1 x 36.8 cm), Drawings, Anonymous, Italian, Roman-Bolognese, 17th century

Landscape with Waterfall, late 18th–early 19th century, Pen and black ink, watercolor. Double framing line in pen and black ink., sheet: 9 13/16 x 14 5/16 in. (25 x 36.3 cm), Drawings, Friedrich Christian Klass (German, Dresden 1752–1827

Landscape with a Rainbow over a Farmhouse and Distant Village, n.d., Watercolor over black chalk, sheet: 8 11/16 x 11 5/8 in. (22.1 x 29.6 cm), Drawings, Vincent Jansz. van der Vinne (Dutch, 1736–1811

The Adoration of the Magi, from the series The Life of the Virgin, ca. 1502, Woodcut, Prints, Albrecht Dürer (German, Nuremberg 1471–1528 Nuremberg

Tiger Approaching Pool, 1810–75, Watercolor on wove paper, Sheet: 10 3/4 x 15 1/8 in. (27.3 x 38.4cm), Drawings, Antoine-Louis Barye (French, Paris 1796–1875 Paris

Drawings and Prints, Albums Prints Ornament & Architecture, Schon newes Modelbuch...Page 17(r), Designer, Sigismundus Latomus, German, active 1599–ca. 1627, Latomus, Sigismundus, German, 1599, 1632, 1617, 1617

Architectural Design with Two Columns and Figure, 17th century, Pen and brown ink, graphite?, sheet: 9 7/16 x 6 1/16 in. (24 x 15.4 cm), Drawings, Anonymous, Italian, 17th century

Façade of the Hôtel de Chavannes, Paris (recto); Plan of a Circular Room (verso), 18th century, Pen and black ink, brush and gray and colored wash, with three framing lines in pen and black ink, 15 3/4 x 17 13/16 in. (40 x 45.3 cm),

Disk Brooch, ca. 550–650, Frankish, Gold, glass, copper alloy, glass paste cabochons, Overall: 1 1/16 x 3/8 in. (2.7 x 1 cm), Metalwork-Copper alloy

Marble portrait of the emperor Augustus, Early Imperial, Julio-Claudian, ca. A.D. 14–37, Roman, Marble, 11in. (27.9cm), Stone Sculpture, When Octavian took the title of Augustus in 27 B.C., an official portrait was created that embodied

Grisaille Panels, 1270–80, Made in probably Normandy, France, French, Pot-metal and colorless glass with vitreous paint, Overall (all 4 panels (approx)): 94 x 23 11/16 in. (238.8 x 60.2 cm), Glass-Stained, In stained-glass painting, the

Lookout Mountain, Tennessee, ca. 1864, Albumen silver print from glass negative, Photographs, George N. Barnard (American, 1819–1902

Market Scene, 16th century, Pen and brown ink, brush and brown wash over black chalk. Mounted on board with brown and gold framing lines, Image: 8 1/2 x 13 7/16 in. (21.6 x 34.2 cm), Drawings, Anonymous, Netherlandish, 16th century

Chasuble, 17th century, Attributed to Turkey, Silk, metal wrapped thread; lampas (kemha), Textile: H. 46 in. (116.8 cm), Textiles-Woven, A large number of Ottoman silk textiles were destined for export to Europe, where they functioned as

Sugar Bowl, ca. 1888, Made in New York, New York, United States, American, Silver, silver-gilt, enamel and ivory, Overall: 3 5/8 x 7 1/2 x 3 3/4 in. (9.2 x 19.1 x 9.5 cm); 15 oz. 14 dwt. (488.4 g), Silver, Tiffany & Co. (1837–present),

Aristotle with a Bust of Homer, 1653, Oil on canvas, 56 1/2 x 53 3/4 in. (143.5 x 136.5 cm), Paintings, Rembrandt (Rembrandt van Rijn) (Dutch, Leiden 1606–1669 Amsterdam), Aristotle (384–322 B.C.) rests his hand reflectively on a bust of

Drawing for Punch, 1841–91, Pen, brush, and brown ink, Sheet: 4 1/2 × 7 1/8 in. (11.4 × 18.1 cm), Drawings, Charles Samuel Keene (British, Hornsey, Middlesex 1823–1891 London

Design for a Gothic Bay Window, 1841–1900, Pen and brown ink, brush and red wash, sheet: 10 5/16 x 14 3/4 in. (26.2 x 37.5 cm), Charles Hindley and Sons (British, London 1841–1917 London

Anatomia del Cavallo. Infirmita del Cavallo, 1602, Woodcut, Overall: 13 1/16 x 9 1/16 x 2 1/2 in. (33.1 x 23 x 6.4 cm), Books

Belt Buckle Loop, early 6th century, Frankish, Copper alloy, garnets, Overall: 15/16 x 1 5/16 in. (2.4 x 3.3 cm), Metalwork-Copper alloy, Belts were important features of early medieval dress. Not only did they serve the practical function of

Amélie and Elise Gitteri, 1866, Albumen silver print from glass negative, Image: 7 1/2 × 9 7/16 in. (19 × 24 cm) , Photographs, André-Adolphe-Eugène Disdéri (French, Paris 1819–1889 Paris

Hand Mirror, ca. 1925, French, Bronze, ivory, mirror glass, L.12-1/2, W. 5-1/2 in. (31.8 x 14.0 cm), Metalwork-Bronze, Antiquity provided the inspiration for this hand mirror by Armand-Albert Rateau, who borrowed both its decoration from

Ornamental Ironwork on a Window or Shutter, ca. 1880, Graphite and pen and ink, sheet: 5 3/16 x 2 15/16 in. (13.1 x 7.4 cm), Richardson Ellson & Co. (British

The Wilderness Battlefield, 1864, Albumen silver print from glass negative, Image: 3 1/4 × 4 15/16 in. (8.3 × 12.5 cm), Photographs, Unknown (American), Possibly by Alexander Gardner (American, Glasgow, Scotland 1821–1882 Washington,

Two guineas coin of William and Mary, 1694, British, Gold, Diam. 1 1/4 in. (32 mm.), Coins, Medalist: Norbert Roettier (Flemish, Antwerp ca. 1666–1727 Choisy-le-Roi

Mangin, 1861, Albumen silver print from glass negative, Image: 7 1/2 × 9 7/16 in. (19 × 24 cm), Photographs, André-Adolphe-Eugène Disdéri (French, Paris 1819–1889 Paris

Marie-Louise Marsy, 1898, Sheet: 15 3/8 x 12 7/16 in. (39 x 31.6 cm), Prints, Henri de Toulouse-Lautrec (French, Albi 1864–1901 Saint-André-du-Bois

Reliefs from the Chapel of the Overseer of the Troops Sehetepibre, Middle Kingdom, Dynasty 13, ca. 1802–1640 B.C., From Egypt, Limestone, paint, : H. 30.5 cm (12 in.); W. 42.5 cm (16 3/4 in.); Th. 10.6 cm (4 3/16 in.); : H. 30.5 cm (12 in.);

The Jeweled Chaplet (Tamakazura), from The Tale of Genji (Genji monogatari), 玉鬘図, （『源氏物語』画帖の内）, Momoyama period (1573–1615), early 17th century, Japan, Album leaves mounted as a pair of hanging scrolls; ink,

A Virtue, Possibly Patriotism, 1760, Fresco, transferred to canvas, Oval, 49 3/8 x 36 1/4 in. (125.4 x 92.1 cm), Paintings, Workshop of Giovanni Battista Tiepolo (Italian, Venice 1696–1770 Madrid), This detached fresco is from a series of

Statuette of a Standing Woman, Early Dynastic, Probably Dynasty 1, ca. 3100–2900 B.C., From Egypt, Northern Upper Egypt, Abydos, Osiris temple, Ivory, H. 25.2 x W. 5.1 x D. 3.6 cm (9 15/16 x 2 x 1 7/16 in

Belisarius and His Guide, 1794, French, Paris, Bronze, mounted in a bronze circlet with floral ornament painted to resemble gilt bronze, into which is fitted the original rotating mechanism, H. 18 in., D. 14 3/8 in. (47.5 x 36.6 cm),

Dish with a Child Chasing a Fish, Qing dynasty (1644–1911), 18th–19th century, China, Amber, H. 3 1/2 in. (8.9 cm); W. 2 1/2 in. (6.4 cm), Amber, It seems likely that, in addition to its playful quality, the theme of a child catching a

Ridou. Paul, François. 27 (ou 28) ans. Ébéniste. Anarchiste. 8/3/94., 1894, Albumen silver print from glass negative, 10.5 x 7 x 0.5 cm (4 1/8 x 2 3/4 x 3/16 in.) each, Photographs, Alphonse Bertillon (French, 1853–1914), Born into a

Stoneman's Station, Virginia. Commissary Dept., 1861–65, Albumen silver print from glass negative, Photographs

Drawings and Prints, Books Prints Ornament & Architecture, Newes Modelbuch in Kupffer (Page 6r), Artist, Johann Sibmacher, German, active 1590–1611, Sibmacher, Johann, German, 1590, 1611, 1604, 1604

Drawings and Prints, Drawing, View of Messina Harbor, Artist, Louis François Cassas, French, Azay-le-Ferron 1756–1827 Versailles, Cassas, Louis François, French, 1756, 1827, 1783, 1783

S-Shaped Brooch, 7th century, Frankish, Copper alloy, tinning, garnet, Overall: 1 1/2 x 1 x 3/8 in. (3.8 x 2.5 x 0.9 cm), Metalwork-Copper

Incense Burner in the Shape of a Lion's Head, 12th–early 13th century, Attributed to Iran, Bronze; cast, engraved, and pierced, H. 2 1/4 in. (5.7 cm), Metal

Angel Appearing to an Old Man, 18th century, Red chalk and grey wash, 7-1/4 x 5-13/16 in. (18.4 x 14.8 cm), Drawings, Anonymous, Italian, first half of the 18th century

View in the East Nave (The Greek Slave, by Power [sic]; from Recollections of the Great Exhibition), 1851, Hand-colored lithograph with gum, Sheet: 10 11/16 × 14 11/16 in. (27.2 × 37.3 cm), Prints, John Absolon (British, London 1815–1895),

Bearded Head, Looking Down to the Right, 1620–30, Pen and brown ink on brown prepared paper, 4 1/2 x 4 5/16 in. (11.4 x 10.9 cm), Drawings, Jacques de Gheyn, III (Dutch, Amsterdam (?) ca. 1596–1641 Utrecht

Ein new kunstlich Modelbuch..., 1544, Woodcut, Overall: 7 11/16 x 5 7/8 in. (19.5 x 15 cm), Published by Peter Guentel, Cologne. Illustrated title page, architectural border on reverse of title page, 99 pages of designs, arms of Cologne on

Box with 'Dragon Pine', Ming dynasty (1368–1644), Wanli period (1573–1620), dated 1595, China, Red and yellow lacquer with filled-in and engraved-gold decoration, H. 4 3/4 in. (12.1 cm); Diam. 8 3/4 in.(22.2 cm), Lacquer

Necklace with Shen-Amulet of Senebtisi, Middle Kingdom, late Dynasty 12–early Dynasty 13, ca. 1859–1770 B.C., From Egypt, Memphite Region, Lisht North, Tomb of Senwosret (758), Pit 763, burial of Senebtisi, 1906–07, Gold, carnelian,

Drachm, Sasanian, ca. A.D. 629, Iran, Qasr-i Abu Nasr, Sasanian, Silver, 1 3/8 in. (3.5 cm), Metalwork-Coins-Inscribed

In the Heart of Modern Babylon, Piccadilly Circus, London, England, 1850s–1910s, Albumen silver prints, Mount: 8.9 x 17.8 cm (3 1/2 x 7 in.), Photographs, Strohmeyer & Wyman (American

Figure, 7th–9th century, Attributed to Egypt, Bone; carved and incised, H. 2 3/8 in. (6 cm) , Ivories and Bone

Bow Brooch, 400–600, Ostrogothic, Silver - cast. Pin: copper alloy., Overall: 2 7/8 x 1 1/4 x 11/16 in. (7.3 x 3.2 x 1.7 cm), Metalwork-Silver

Chalice adorned with Saints, BIshops and Kings, second half 19th century, Graphite and ink and wash, sheet: 10 11/16 x 6 9/16 in. (27.2 x 16.7 cm), Anonymous, British, 19th century

The Drunkenness of Noah, 1550–1600, Pen and brown ink and brown wash, Diameter 5 7/8 in. (4.9 cm), Drawings, Friedrich Sustris (Netherlandish (possibly born Italy), Venice (?) ca. 1540–1599 Munich

Design for a Sconce with a Mirror, late 18th–early 19th century, Pen and wash, sheet: 5/8 x 9 7/8 in. (1.6 x 25.1 cm), John Yenn (British, London (?) 1750–1821 London

Large Dish, ca. 1420, Made in Florence or its vicinity, Tuscany, Italy, Italian, Tin-glazed earthenware, Overall: 27 1/4 x 3 3/8 in. (69.2 x 8.6 cm), Ceramics, A rare showpiece of early Florentine maiolica, this large cotino, or basin,

St. Andrew, 17th century, Charcoal on blue paper, 7 7/8 x 3 13/16 in. (20 x 9.7 cm), Drawings, Juan Carreño de Miranda (Spanish, Avilés 1614–1685 Madrid

Bowl, 12th–13th century, Attributed to Iran, Stonepaste; overglaze painted (mina'i), H. 3 3/4 in. (9.5 cm), Ceramics

Janmastami, 1883, India, Lithograph, Image (trimmed): 14 7/8 × 11 5/16 in. (37.8 × 28.7 cm), Prints

[Group of Adults and Children on a Village Street in the Auvergne], ca. 1910, Gelatin silver print, 29.4 x 39.4 cm (11 9/16 x 15 1/2 in.), Photographs, Felix Thiollier (French, 1842–1914), An industrialist and serious amateur photographer in

Alternative design for sidescreens, 1894, Pen and ink, over graphite, with watercolor, sheet: 16 1/4 x 12 1/4 in. (41.3 x 31.1 cm), Ernest Geldart (British, London 1848–1929

Il Monte. Opera Nova di Recami, title page (recto), after 1557

Asie from Playing Cards (for Quartets) 'Costumes des Peuples Étrangers', 1700–1799, Etching and hand coloring (watercolor), 3 3/16 × 2 1/16 in. (8.1 × 5.3 cm), Anonymous, French, 18th century