Mijnbouw

Jan Balzer (possibly), after Johann Kleinhard, 1772

Geometrie

Jan Balzer (possibly), after Johann Kleinhard, 1772

Architectuur

Jan Balzer (possibly), after Johann Kleinhard, 1772

Militaria

Jan Balzer (possibly), after Johann Kleinhard, 1772

Hydraulica

Jan Balzer (possibly), after Johann Kleinhard, 1772

Scheepvaart

Jan Balzer (possibly), after Johann Kleinhard, 1772

Mechanica

Jan Balzer (possibly), after Johann Kleinhard, 1772

Jacht

Jan Balzer (possibly), after Johann Kleinhard, 1772

Natuurkunde

Jan Balzer (possibly), after Johann Kleinhard, 1772

Muntslag

Jan Balzer (possibly), after Johann Kleinhard, 1772

Altijd bezige huisvrouw

Jan Balzer, after Norbert Joseph Carl Grund, 1746 - 1799