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Chapter 1 Page 11686
9 January
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[IN THE MARGIN: 6. For Booksellers petitioning Patents on several Books, one Patent will be sufficient, if the Tractates are fully developed by one Author; otherwise they have to have several Letters Patent.]
On the occasion of the Petition presented to your Noble High Mightiness by Jan ten Hoorn, Bookprinter within the City of Amsterdam, having petitioned Patent to be allowed to print several Tractates in Medicine by Steven Blanckaert en Heydentryk Overkamp, Dr. in that Medicine within the City of Amsterdam: Has been approved and understood that the Authors of such Books, or those who would wish to print them, and when petitioning Patent for the printing thereof, will be held to print the names of the aforesaid to be printed Books or Tractates with its Name or Title: that moreover on one or more Tractates made by one and the same Author, and expressed in the Petition thereto presented, will be granted a Patent, in case these Tractates at the time of the petitioning of the Patent have been written by the aforesaid Author and brought to a state in which they can be printed, but not on Tractates which the author would not yet have completed or brought to a state in which they can be printed; but in case someone would petition Patent on some Books or Tractates made by differing Authors, that then as many Petitions have to be presented and Patent Letters have to be granted as there are Authors who have made the aforesaid Tractates, on which the Patent has been petitioned.
Translation by: Miluska Kooij