ID: DGA3938533

Imaginary catapult, woodcut from De re military, by Roberto Valturio, printed by Christian Wechel, Paris, 1532

ID: DGA3938570

Mobile siege ladder, woodcut from De re military, by Roberto Valturio, printed by Christian Wechel, Paris, 1532

ID: DGA3939420

Study for trusses and inclinations of roof coverings for basilicas, engraving from Templum Vaticanum, by Carlo Fontana, 1694

ID: DGA3939927

Producing silver discs immediately after fusion, engraving from De Re Metallica (On Nature of Metals), by Georg Agricola, published in Basel in 1561

ID: DGA3938564

Siege ladder and climbing shoes, woodcut from De re military, by Roberto Valturio, printed by Christian Wechel, Paris, 1532

ID: DGA3938565

Rope and wooden siege ladders, woodcut from De re military, by Roberto Valturio, printed by Christian Wechel, Paris, 1532

ID: DGA3939635

Woodcut from De re militari libri quatuor (Epitoma rei militaris), by Publius Flavius Vegetius Renatus, printed by Christian Wechel, Paris, 1535

ID: DGA3939368

Embossed silver medallion with Medusa's head

ID: DGA3939617

Siege engine, woodcut from De re militari libri quatuor (Epitoma rei militaris), by Publius Flavius Vegetius Renatus, printed by Christian Wechel, Paris, 1535

ID: MEV5048449

Female Head

Vinci, Leonardo da (1452-1519) (school of)

ID: LPH8678697

I Leonardo 29 (drawing)

Steadman, Ralph (b.1936)

ID: LPH8678735

Leonardo 57, Yo-yo (drawing)

Steadman, Ralph (b.1936)

ID: LPH8678824

Leonardo 145 (drawing)

Steadman, Ralph (b.1936)

ID: LPH8678902

Leonardo 32 (drawing)

Steadman, Ralph (b.1936)

ID: EPL6822591

Leonardo Da Vinci self-portrait in profile (engraving)

Vinci, Leonardo da (1452-1519)

ID: LLM7150193

Leonardo da Vinci, Italian artist and scientist (chromolitho)

Italian School, (20th century)

ID: KW6431907

Statue of Leonardo da Vinci, Milan, Italy (photo)

ID: DGA3938176

Comparison of terracing systems during construction of Suez Canal, Egypt, engraving from Nouvelles annales de la construction, 1865

ID: DGA3937983

Greenhouse walkway, greenhouse ventilation system, double-glazed greenhouse ventilation system, greenhouse ventilation outlet, engraving, Skizzen und Typen, plate 167, designs by Rudolph Philip Waagner, 1891

ID: DGA3939908

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

ID: DGA3939968

Glass furnace with separate chambers, engraving from De Re Metallica (On Nature of Metals), by Georg Agricola, published in Basel in 1561

ID: DGA3939622

Testudo and counterbalance crane (tolleno), woodcut from De re militari libri quatuor (Epitoma rei militaris), by Publius Flavius Vegetius Renatus, printed by Christian Wechel, Paris, 1535

ID: DGA3938190

Special iron columns, United States of America, engraving from Nouvelles annales de la construction, 1870

ID: DGA3938943

Shape of protective covers (H), shape of ditch shelter (I), and frames for protective covers (K, L), copperplate engraving from Diffesa et offesa delle piazze, by Pietro Paolo Floriani, published by Giuliano Carboni, Macerata, 1630

ID: DGA3938581

Quick-firing rotating bombard platform, siege engine, woodcut from De re military, by Roberto Valturio, printed by Christian Wechel, Paris, 1532

ID: DGA3939624

Underwater warrior, woodcut from De re militari libri quatuor (Epitoma rei militaris), by Publius Flavius Vegetius Renatus, printed by Christian Wechel, Paris, 1535

ID: DGA3939614

Siege tower, woodcut from De re militari libri quatuor (Epitoma rei militaris), by Publius Flavius Vegetius Renatus, printed by Christian Wechel, Paris, 1535

ID: DGA3939939

Oven for metalworking, engraving from De Re Metallica (On Nature of Metals), by Georg Agricola, published in Basel in 1561

ID: DGA548579

Grotesque heads, 1730, by Anne-Claude-Philippe (aka Count de Caylus, 1692-1765), from works by Leonardo Da Vinci, engraving.

ID: DGA3932227

Terracotta vase with two handles, Etruscan civilization

ID: DGA3938549

Water-drawing device, woodcut from De re military, by Roberto Valturio, printed by Christian Wechel, Paris, 1532

ID: FGL5456630

Leonardo da Vinci (Leonardo da Vinci) (1452 - 1519) who paints the Mona Lisa (Mona Lisa - Monna Lisa). 18th century engraving.

ID: ELS9190735

Bacchus …

Vinci, Leonardo da (1452-1519)

ID: ELS9190740

La Vierge aux rochers - The Madonna of the Rocks …

Vinci, Leonardo da (1452-1519)

ID: ELS9196558

La Vierge à l' Enfant avec St. Anne - The Virgin and Child with Saint Anne ...

Vinci, Leonardo da (1452-1519)

ID: DGA648561

Study on war, folio 235 recto (manuscript)

Vinci, Leonardo da (1452-1519)