Cannabis Ruderalis

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English: "Disputatio philosophica inauguralis de spatio vacuo" (Inaugural philosophical disputation On empty space). Frontispice of a Leiden doctoral PhD thesis De Spatio Vacuo, by Guilielmus ab Irhoven (Willem van Irhoven) on the authority of the Rector magnificus Johannes Jacobus Vitriarius (Jan Jacob Glazenmaker), 7 July 1721. At the bottom of the page a depiction of a PhD Ceremony around 1715 at Leiden University, the Netherlands. On both the left and right, the symbols of the Leiden faculties can be seen: theology, philosophy, law and medicine. And of course the symbols of the city of Leiden itself, namely the keys of St Peter. More information
Nederlands: "Disputatio philosophica inauguralis de spatio vacuo" (Inaugureel filosofisch dispuut over lege ruimte Over de lege ruimte). Titelpagina can het proefschrift De Spatio Vacuo, door Guilielmus ab Irhoven (Willem van Irhoven) op gezag van de Rector magnificus Johannes Jacobus Vitriarius (Jan Jacob Glazemaker). Uitbeelding van een promotieplechtigheid aan de Universiteit Leiden, rond 1715. Op deze opzet voor een titelpagina is in een gegraveerde omlijsting een promotieplechtigheid te zien die daarmee als het ware naar zichzelf verwijst. Links en rechts zijn afbeeldingen van de Leidse faculteiten te zien: theologie, filosofie, rechten en medicijnen — en daaronder het teken van de stad Leiden: de sleutels van St. Pieter. Drie afbeeldingen van de promotie zijn te herleiden tot de Leidse situatie. Rechts: het geheime examen in de Faculteitskamer (Explorant vires). Links: de verdediging van het proefschrift in het Groot-Auditorium (Pugnat). Midden: de uitreiking van de bul in de Senaatszaal (Dant praemia digno). Meer informatie
Date
Source Snapshot 81 University Library Leiden by Jos Damen
Author
Frans van Bleyswyck  (1671–1746)  wikidata:Q18716288
 
Alternative names
François van Bleyswyck; François van Bleijswijk; François van Bleyswijk; Frangois Bleyswyk
Description engraver, etcher and drawer
Date of birth/death 24 May 1671 Edit this at Wikidata 15 October 1746 Edit this at Wikidata
Location of birth/death Leiden Leiden
Work period 18th century
date QS:P,+1750-00-00T00:00:00Z/7
/ 1725 Edit this at Wikidata
Work location
Leiden (1706–1746) Edit this at Wikidata
Authority file
creator QS:P170,Q18716288
& Daniel Goetval (publisher)
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7 July 1721Gregorian

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current18:21, 11 June 2016Thumbnail for version as of 18:21, 11 June 2016577 × 729 (460 KB)Vysotskyslightly cropped
22:01, 12 February 2012Thumbnail for version as of 22:01, 12 February 2012600 × 756 (449 KB)Vysotsky
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