Title supplied by cataloger.
The first state, without the words "Datur Vacuum" etched on the book in the lecturer's hands.
Inserted as item 236 into an album of collected prints, broadsides, drawings, and miscellaneous single sheet items, assembled by former owner Joseph Ames and entitled "Emblematical and satirical prints on persons and professions" (PML 145850).
Library's copy has the words "Datur Vacuum" written in pen into the book held in the lecturer's hands.
Etching shows a professor (identified by some sources William Fisher, the Registrar of Oxford) standing in a pulpit and reading from a book to a group of scholars in mortarboards, their faces variously betraying boredom, bewilderment, displeasure, amazement, etc.