Instrument zur Architectur : damit die fünff Seülen auch aller Sorten Stück und Morsser, sowol allerley Bilder und der gleichen Sachen leicht und recht proportionirt zu vergrössern oder zu verkleinern seindt
A 1622 German drawing manual by Andreas Albrecht, printed in Nuremberg by Lochner, teaching architects and draughtsmen how to scale columns, moldings and pictures in proportion using a wooden or brass proportional instrument. Its plates are precise line engravings of the instrument's arms, sliding scales and column orders such as Doric, Ionic and Composite.



