Acta eruditorum. 1690
Acta eruditorum is a learned periodical printed in Leipzig in 1690 by Grossius and Gleditsch for scholars and natural philosophers. Its plate, labelled Tab. IV, shows engraved mechanical and instrument parts, lettered A to F, drawn in fine parallel hatching on a plain page, with a designer's takeaway being the precise technical diagram style of early modern scientific print.
